Proposed Rule2025-16195
Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes
Primary source
Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.
Published
August 25, 2025
Issuing agencies
Transportation DepartmentFederal Aviation Administration
Abstract
The FAA proposes to adopt a new airworthiness directive (AD) for all Diamond Aircraft Industries GmbH (DAI) Model DA 42, DA 42 NG, and DA 42 M-NG airplanes. This proposed AD was prompted by several reports of passenger door separation from the fuselage. This proposed AD would require revising the existing airplane flight manual (AFM) for your airplane to provide the flight crew with revised operating limitations, emergency procedures, and normal operating procedures; modifying the airplane; and repetitively inspecting the door latching and safety hooks for correct engagement, foreign objects, damage (including but not limited to corrosion and wear that exceeds specified limits), and proper function. The FAA is proposing this AD to address the unsafe condition on these products.
Full Text
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<title>Federal Register, Volume 90 Issue 162 (Monday, August 25, 2025)</title>
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[Federal Register Volume 90, Number 162 (Monday, August 25, 2025)]
[Proposed Rules]
[Pages 41346-41350]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-16195]
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Proposed Rules
Federal Register
________________________________________________________________________
This section of the FEDERAL REGISTER contains notices to the public of
the proposed issuance of rules and regulations. The purpose of these
notices is to give interested persons an opportunity to participate in
the rule making prior to the adoption of the final rules.
========================================================================
Federal Register / Vol. 90, No. 162 / Monday, August 25, 2025 /
Proposed Rules
[[Page 41346]]
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2025-2263; Project Identifier MCAI-2024-00729-A]
RIN 2120-AA64
Airworthiness Directives; Diamond Aircraft Industries GmbH
Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking (NPRM).
-----------------------------------------------------------------------
SUMMARY: The FAA proposes to adopt a new airworthiness directive (AD)
for all Diamond Aircraft Industries GmbH (DAI) Model DA 42, DA 42 NG,
and DA 42 M-NG airplanes. This proposed AD was prompted by several
reports of passenger door separation from the fuselage. This proposed
AD would require revising the existing airplane flight manual (AFM) for
your airplane to provide the flight crew with revised operating
limitations, emergency procedures, and normal operating procedures;
modifying the airplane; and repetitively inspecting the door latching
and safety hooks for correct engagement, foreign objects, damage
(including but not limited to corrosion and wear that exceeds specified
limits), and proper function. The FAA is proposing this AD to address
the unsafe condition on these products.
DATES: The FAA must receive comments on this NPRM by October 9, 2025.
ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
<bullet> Federal eRulemaking Portal: Go to <a href="http://regulations.gov">regulations.gov</a>. Follow
the instructions for submitting comments.
<bullet> Fax: (202) 493-2251.
<bullet> Mail: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE, Washington, DC 20590.
<bullet> Hand Delivery: Deliver to Mail address above between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
AD Docket: You may examine the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2025-2263; or in person at Docket Operations between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD
docket contains this NPRM, the mandatory continuing airworthiness
information (MCAI), any comments received, and other information. The
street address for Docket Operations is listed above.
Material Incorporated by Reference:
<bullet> For Diamond Aircraft material identified in this proposed
AD, contact DAI, N.A. Otto-Stra[beta]e 5, A-2700 Wiener Neustadt,
Austria; phone: +43 2622 26700; email: <a href="/cdn-cgi/l/email-protection#076861616e646247636e666a6869632a666e75296673"><span class="__cf_email__" data-cfemail="94fbf2f2fdf7f1d4f0fdf5f9fbfaf0b9f5fde6baf5e0">[email protected]</span></a>; website:
<a href="http://diamondaircraft.com/">diamondaircraft.com/</a>.
<bullet> You may view this material at the FAA, Airworthiness
Products Section, Operational Safety Branch, 901 Locust, Kansas City,
MO 64106. For information on the availability of this material at the
FAA, call (817) 222-5110.
FOR FURTHER INFORMATION CONTACT: Evan Weaver, Aviation Safety Engineer,
FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; phone: (316)
944-8910; email: <a href="/cdn-cgi/l/email-protection#a6c3d0c7c888d688d1c3c7d0c3d4e6c0c7c788c1c9d0"><span class="__cf_email__" data-cfemail="8aeffcebe4a4faa4fdefebfceff8caecebeba4ede5fc">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION:
Comments Invited
The FAA invites you to send any written relevant data, views, or
arguments about this proposal. Send your comments to an address listed
under ADDRESSES. Include ``Docket No. FAA-2025-2263; Project Identifier
MCAI-2024-00729-A'' at the beginning of your comments. The most helpful
comments reference a specific portion of the proposal, explain the
reason for any recommended change, and include supporting data. The FAA
will consider all comments received by the closing date and may amend
this proposal because of those comments.
Except for Confidential Business Information (CBI) as described in
the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received, without change, to
<a href="http://regulations.gov">regulations.gov</a>, including any personal information you provide. The
agency will also post a report summarizing each substantive verbal
contact received about this NPRM.
Confidential Business Information
CBI is commercial or financial information that is both customarily
and actually treated as private by its owner. Under the Freedom of
Information Act (FOIA) (5 U.S.C. 552), CBI is exempt from public
disclosure. If your comments responsive to this NPRM contain commercial
or financial information that is customarily treated as private, that
you actually treat as private, and that is relevant or responsive to
this NPRM, it is important that you clearly designate the submitted
comments as CBI. Please mark each page of your submission containing
CBI as ``PROPIN.'' The FAA will treat such marked submissions as
confidential under the FOIA, and they will not be placed in the public
docket of this NPRM. Submissions containing CBI should be sent to Evan
Weaver, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410,
Westbury, NY 11590. Any commentary that the FAA receives which is not
specifically designated as CBI will be placed in the public docket for
this rulemaking.
Background
The European Union Aviation Safety Agency (EASA), which is the
Technical Agent for the Member States of the European Union, has issued
EASA AD 2024-0235, dated December 6, 2024 (EASA AD 2024-0235) (also
referred to as the MCAI), to correct an unsafe condition on all DAI
Model DA 42, DA 42 NG, DA 42 M, and DA 42 M-NG airplanes. The MCAI
states that DAI received several reports of passenger door separation.
DAI attributed the root cause of certain instances to the passenger
doors not being properly latched, but DAI was unable to find a
definitive root cause of the remaining occurrences. Passenger door
separation could damage the airplane, possibly lead to loss of control
of the airplane, and injure people on the ground. To address the unsafe
condition, DAI issued an AFM temporary revision amending procedures and
limitations and issued material with instructions to install placards
in the cabin to prevent misuse of the passenger door, to inspect the
passenger door latching and safety hook mechanisms, and to collect and
report findings after each repetitive inspection to them. The MCAI
requires updating the AFM, modifying the airplane, repetitively
inspecting the
[[Page 41347]]
door latching and safety hook mechanisms, and reporting all findings to
DAI.
You may examine the MCAI in the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2025-2263.
Material Incorporated by Reference Under 1 CFR Part 51
The FAA reviewed Diamond Aircraft Mandatory Service Bulletin MSB
42-149 and MSB 42NG-095, dated December 2, 2024 (issued as one
document), published with Diamond Aircraft Work Instruction WI-MSB 42-
149 and WI-MSB 42NG-095, Revision 2, dated January 17, 2025 (issued as
one document), attached. This material specifies procedures for
installing passenger door placards and inspecting the passenger door
system for Model DA 42, DA 42 M, DA 42 NG, and DA 42 M-NG airplanes.
The FAA also reviewed Diamond Aircraft DA 42 AFM Doc. No. 7.01.05-E
Temporary Revision TR-MAM-42-1333, Door Latching and Locking, dated
November 28, 2024. This material specifies procedures for revising the
operating limitations, emergency procedures, and normal operating
procedures related to door latching and locking for Model DA 42
airplanes with Continental Aerospace Technologies engines installed.
In addition, the FAA reviewed Diamond Aircraft DA 42 with OAM 42-
102 Garmin GFC 700 AFM Doc. No. 7.01.06-E Temporary Revision TR-MAM-42-
1333, Door Latching and Locking, dated November 28, 2024. This material
specifies procedures for amending the AFM for Model DA 42 airplanes
with Continental Aerospace Technologies engines and Garmin GFC 700
Automatic Flight Control System installed.
The FAA also reviewed Diamond Aircraft DA 42 NG AFM Doc. No.
7.01.15-E Temporary Revision TR-MAM-42-1333, Door Latching and Locking,
dated November 28, 2024. This material specifies procedures for
revising the operating limitations, emergency procedures, and normal
operating procedures of the AFM for Model DA 42 NG and DA 42 NG-M
airplanes.
The FAA also reviewed Diamond Aircraft DA 42 NG AFM Doc. No.
7.01.16-E Temporary Revision TR-MAM-42-1333, Door Latching and Locking,
dated November 28, 2024. This material specifies procedures for
amending the AFM for Model DA 42 NG and DA 42 NG-M airplanes with MAM
42-600 Performance Enhancement.
This material is reasonably available because the interested
parties have access to it through their normal course of business or by
the means identified in the ADDRESSES section.
FAA's Determination
These products have been approved by the aviation authority of
another country and are approved for operation in the United States.
Pursuant to the FAA's bilateral agreement with this State of Design
Authority, it has notified the FAA of the unsafe condition described in
the MCAI and material referenced above. The FAA is issuing this NPRM
after determining that the unsafe condition described previously is
likely to exist or develop on other products of the same type design.
Proposed AD Requirements in This NPRM
This proposed AD would require accomplishing the actions specified
in the material already described, except as discussed under
``Differences Between this Proposed AD and the MCAI.'' The owner/
operator (pilot) holding at least a private pilot certificate may
revise the existing AFM for your airplane and must enter compliance
with the applicable paragraph of this proposed AD into the airplane
maintenance records in accordance with 14 CFR 43.9(a) and 14 CFR
91.417(a)(2)(v). The pilot may perform this action because it only
involves revising the existing AFM. This action could be performed
equally well by a pilot or mechanic. This is an exception to the FAA's
standard maintenance regulations.
Differences Between This Proposed AD and the MCAI
The MCAI applies to DAI Model 42 M airplanes, but this proposed AD
would not include this model because it does not have an FAA type
certificate.
The MCAI includes a requirement to inform all flight crews and,
thereafter, operate the airplane. However, this AD would not
specifically require this action based on the following:
<bullet> For the operating limitations: l4 CFR 91.9 requires that
no person may operate a civil aircraft without complying with the
operating limitations specified in the AFM. Therefore, including a
requirement in this proposed AD to operate the airplane according to
the revised AFM would be redundant and unnecessary. Further, compliance
with such a requirement in an AD would be impracticable to demonstrate
or track on an ongoing basis; therefore, a requirement to operate the
airplane in such a manner would be unenforceable.
<bullet> For the emergency procedures and normal operating
procedures: FAA regulations mandate compliance with only the operating
limitations section of the flight manual. The flight manual changes
required by this AD apply to the emergency procedures and normal
procedures section of the existing AFM for your airplane. Furthermore,
compliance with such requirements in an AD is impracticable to
demonstrate or track on an ongoing basis; therefore, a requirement to
operate the aircraft in such a manner is unenforceable. Nonetheless,
the FAA recommends that flight crews of the airplanes listed in the
applicability operate in accordance with the revised emergency
procedures mandated by this proposed AD.
The service bulletin referred to in the MCAI specifies to contact
DAI for repair instructions, but this proposed AD would require
contacting the Manager, International Validation Branch, FAA; EASA; or
DAI's EASA Design Organization Approval (DOA) instead.
The MCAI specifies where the temporary revisions provide
instructions to contact the manufacturer, but this proposed AD would
require contacting the Manager, International Validation Branch, FAA;
EASA; or DAI's EASA DOA instead.
The MCAI specifies reporting inspection results within 7 days after
accomplishing any inspection, but this proposed AD would require
reporting inspection results within 30 days after accomplishing any
inspection.
Interim Action
The FAA considers that this proposed AD would be an interim action.
This unsafe condition is still under investigation by the manufacturer
and, depending on the results of that investigation, the FAA may
consider further rulemaking action.
Costs of Compliance
The FAA estimates that this AD, if adopted as proposed, would
affect 222 airplanes of U.S. registry.
The FAA estimates the following costs to comply with this proposed
AD:
[[Page 41348]]
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Cost on U.S.
Action Labor cost Parts cost Cost per product operators
----------------------------------------------------------------------------------------------------------------
AFM revision..................... 1 work-hour x $85 $0 $85................. $18,870.
per hour = $85.
Initial inspection............... 3 work-hours x $85 0 $255................ $56,610.
per hour = $255.
Repetitive inspections........... 1 work-hour x $85 0 $85 (each inspection $18,870 (each
per hour = $85 cycle). inspection cycle).
(each inspection
cycle).
Placard installation............. 1 work-hour x $85 25 $110................ $24,420.
per hour = $85.
Inspection results reporting..... 1 work-hour x $85 0 $85 (each cycle).... $18,870 (each
per hour = $85 cycle).
(each cycle).
----------------------------------------------------------------------------------------------------------------
The FAA estimates the following costs to do any necessary
replacements that would be required based on the results of the
proposed inspections. The agency has no way of determining the number
of airplanes that might need these replacements:
On-Condition Costs
----------------------------------------------------------------------------------------------------------------
Action Labor cost Parts cost Cost per product
----------------------------------------------------------------------------------------------------------------
Safety hook replacement...................... 1 work-hour x $85 per hour = $85 $306 $391
Safety hook spring replacement............... 1 work-hour x $85 per hour = $85 8 93
Retaining bracket replacement................ 1 work-hour x $85 per hour = $85 185 270
Safety hook actuation pin replacement........ 1 work-hour x $85 per hour = $85 164 249
Latching mechanism spring replacement........ 1 work-hour x $85 per hour = $85 12 97
Latching bolts replacement................... 1 work-hour x $85 per hour = $85 109 194
Gas spring replacement....................... 1 work-hour x $85 per hour = $85 312 397
----------------------------------------------------------------------------------------------------------------
The FAA has included all known costs in its cost estimate.
According to the manufacturer, however, some of the costs of this
proposed AD may be covered under warranty, thereby reducing the cost
impact on affected operators.
Paperwork Reduction Act
A federal agency may not conduct or sponsor, and a person is not
required to respond to, nor shall a person be subject to a penalty for
failure to comply with a collection of information subject to the
requirements of the Paperwork Reduction Act unless that collection of
information displays a current valid OMB Control Number. The OMB
Control Number for this information collection is 2120-0056. Public
reporting for this collection of information is estimated to take
approximately 1 hour per response, including the time for reviewing
instructions, searching existing data sources, gathering and
maintaining the data needed, and completing and reviewing the
collection of information. All responses to this collection of
information are mandatory. Send comments regarding this burden estimate
or any other aspect of this collection of information, including
suggestions for reducing this burden, to: Information Collection
Clearance Officer, Federal Aviation Administration, 10101 Hillwood
Parkway, Fort Worth, TX 76177-1524.
Authority for This Rulemaking
Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. Subtitle VII: Aviation Programs,
describes in more detail the scope of the Agency's authority.
The FAA is issuing this rulemaking under the authority described in
Subtitle VII, Part A, Subpart III, Section 44701: General requirements.
Under that section, Congress charges the FAA with promoting safe flight
of civil aircraft in air commerce by prescribing regulations for
practices, methods, and procedures the Administrator finds necessary
for safety in air commerce. This regulation is within the scope of that
authority because it addresses an unsafe condition that is likely to
exist or develop on products identified in this rulemaking action.
Regulatory Findings
The FAA determined that this proposed AD would not have federalism
implications under Executive Order 13132. This proposed AD would not
have a substantial direct effect on the States, on the relationship
between the national government and the States, or on the distribution
of power and responsibilities among the various levels of government.
For the reasons discussed above, I certify this proposed
regulation:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Would not affect intrastate aviation in Alaska, and
(3) Would not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
The Proposed Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA proposes to amend 14 CFR part 39 as follows:
PART 39--AIRWORTHINESS DIRECTIVES
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive:
[[Page 41349]]
Diamond Aircraft Industries GmbH: Docket No. FAA-2025-2263; Project
Identifier MCAI-2024-00729-A.
(a) Comments Due Date
The FAA must receive comments on this airworthiness directive
(AD) by October 9, 2025.
(b) Affected ADs
None.
(c) Applicability
This AD applies to all Diamond Aircraft Industries GmbH (DAI)
Model DA 42, DA 42 NG, and DA 42 M-NG airplanes, certificated in any
category.
(d) Subject
Joint Aircraft System Component (JASC) Code 5210, Passenger/Crew
Doors.
(e) Unsafe Condition
This AD was prompted several reports of passenger door
separation from the fuselage. The FAA is issuing this AD to address
this unsafe condition. The unsafe condition, if not addressed, could
result in damage to the aircraft, loss of control of the aircraft,
injuries to persons, and damage to property on the ground.
(f) Definition
For the purposes of this AD, ``the Diamond Aircraft work
instruction'' is defined as Diamond Aircraft Work Instruction WI-MSB
42-149 and WI-MSB 42NG-095, Revision 2, dated January 17, 2025
(issued as one document), attached to Diamond Aircraft Mandatory
Service Bulletin MSB 42-149 and MSB 42NG-095, dated December 2, 2024
(issued as one document).
(g) Applicable AFM Temporary Revisions
(1) For Model DA 42 airplanes without OAM 42-102: Diamond
Aircraft DA 42 Airplane Flight Manual (AFM) Doc. No. 7.01.05-E
Temporary Revision TR-MAM-42-1333, Door Latching and Locking, dated
November 28, 2024.
(2) For Model DA 42 airplanes with OAM 42-102, Garmin GFC 700:
Diamond Aircraft DA 42 with OAM 42-102 Garmin GFC 700 AFM Doc. No.
7.01.06-E Temporary Revision TR-MAM-42-1333, Door Latching and
Locking, dated November 28, 2024.
(3) For Model DA 42 NG and DA 42 NG-M airplanes without MAM 42-
600 Performance Enhancement: Diamond Aircraft DA 42 NG AFM Doc. No.
7.01.15-E Temporary Revision TR-MAM-42-1333, Door Latching and
Locking, dated November 28, 2024.
(4) For Model DA 42 NG and DA 42 NG-M airplanes with MAM 42-600
Performance Enhancement: Diamond Aircraft DA 42 NG AFM Doc. No.
7.01.16-E Temporary Revision TR-MAM-42-1333, Door Latching and
Locking, dated November 28, 2024.
(h) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(i) Required Actions
(1) Within 50 hours time-in-service (TIS) or 50 days, whichever
occurs first after the effective date of this AD, revise the
existing AFM for your airplane to include the information specified
in the applicable AFM temporary revision specified in paragraphs
(g)(1) through (4) of this AD appropriate for your airplane model.
(i) The owner/operator (pilot) holding at least a private pilot
certificate may revise the existing AFM for your airplane and must
enter compliance with the applicable paragraph of this AD into the
airplane maintenance records in accordance with 14 CFR 43.9(a) and
14 CFR 91.417(a)(2)(v). The record must be maintained as required by
14 CFR 91.147, 121.380, or 135.439.
(ii) The AFM revision required by paragraph (i)(1) of this AD
may be accomplished before the initial inspection and modification
required by paragraph (i)(2) of this AD for that airplane.
(2) Within 50 hours TIS or 50 days, whichever occurs first after
the effective date of this AD, accomplish the initial inspection of
the safety hook, safety hook spring, retaining bracket, safety hook
actuation pin, latching mechanism spring, latching bolts, and gas
spring and the modification of the airplane with placards in
accordance with the instructions of Section III, steps 2 through 4,
6, 7, 9 through 11, 13, 14, 16, 18, 19, 21 through 23, and 25
through 36 in the Diamond Aircraft work instruction specified in
paragraph (f) of this AD.
(3) Within 200 hours TIS or 12 months, whichever occurs first
after the initial inspection required by paragraph (i)(2) of this
AD, and thereafter at intervals not to exceed 210 hours TIS or 13
months, whichever occurs first, accomplish the repetitive
inspections of the airplane in accordance with the instructions of
Section IV, steps 2 through 6, of the Diamond Aircraft work
instruction specified in paragraph (f) of this AD.
(4) If, during any inspection as required by paragraph (i)(2) or
(3) of this AD, any findings, as defined in Section III, steps 2
through 4, 6, 7, 9 through 11, 13, 14, 16, 18, 19, 21 through 23,
and 25 through 36, and Section IV, steps 2 through 5, of the Diamond
Aircraft work instruction is identified, before further flight,
accomplish the applicable corrective action(s) in accordance with
the instructions of Section III, steps 2 through 4, 6, 7, 9 through
11, 13, 14, 16, 18, 19, 21 through 23, and 25 through 36, and
Section IV, steps 2 through 5, of the Diamond Aircraft work
instruction specified in paragraph (f) of this AD. Where instructed
to contact the manufacturer ``in case of doubt'' or for approved
instructions, this AD requires before further flight using
instructions approved by the Manager, International Validation
Branch, FAA; the European Union Aviation Safety Agency (EASA); or
DAI's EASA Design Organization Approval (DOA) and within the
compliance time specified therein, accomplishing those instructions.
If approved by the DOA, the approval must include the DOA-authorized
signature.
(j) Reporting
(1) Within 30 days after performing the initial inspection
required by paragraph (i)(2) of this AD or within 30 days after the
effective date of this AD, whichever occurs later, report the
results of the initial inspection, including no findings, to DAI.
The report must include the information specified in Appendix B of
the Diamond Aircraft work instruction specified in paragraph (f) of
this AD.
(2) Report the results of each repetitive inspection required by
paragraph (i)(3) of this AD, including no findings, to DAI within 30
days after that inspection. The report must include the information
specified in Appendix B of the Diamond Aircraft work instruction
specified in paragraph (f) of this AD.
(k) Credit for Previous Actions
You may take credit for the actions required by paragraph (i) of
this AD if you performed those actions before the effective date of
this AD using Diamond Aircraft Mandatory Service Bulletin MSB 42-149
and MSB 42NG-095, dated December 2, 2024 (issued as one document),
published with Diamond Aircraft Work Instructions WI-MSB 42-149 and
WI-MSB 42NG-095, Revision 1, dated December 5, 2024 (issued as one
document), attached.
(l) Alternative Methods of Compliance (AMOCs)
The Manager, International Validation Branch, FAA, has the
authority to approve AMOCs for this AD, if requested using the
procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19,
send your request to your principal inspector or local Flight
Standards District Office, as appropriate. If sending information
directly to the manager of the International Validation Branch, send
it to the attention of the person identified in paragraph (m) of
this AD and email to: <a href="/cdn-cgi/l/email-protection#e1a0acaea2a1878080cf868e97"><span class="__cf_email__" data-cfemail="61202c2e22210700004f060e17">[email protected]</span></a>. Before using any approved AMOC,
notify your appropriate principal inspector, or lacking a principal
inspector, the manager of the local flight standards district
office/certificate holding district office.
(m) Additional Information
For more information about this AD, contact Evan Weaver,
Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410,
Westbury, NY 11590; phone: (316) 944-8910; email:
<a href="/cdn-cgi/l/email-protection#127764737c3c623c657773647760527473733c757d64"><span class="__cf_email__" data-cfemail="b7d2c1d6d999c799c0d2d6c1d2c5f7d1d6d699d0d8c1">[email protected]</span></a>.
(n) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference of the material listed in this paragraph
under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this material as applicable to do the actions
required by this AD, unless the AD specifies otherwise.
(i) Diamond Aircraft Mandatory Service Bulletin MSB 42-149 and
MSB 42NG-095, dated December 2, 2024 (issued as one document),
published with Diamond Aircraft Work Instruction WI-MSB 42-149 and
WI-MSB 42NG-095, Revision 2, dated January 17, 2025 (issued as one
document), attached.
(ii) Diamond Aircraft DA 42 Aircraft Flight Manual (AFM) Doc.
No. 7.01.05-E Temporary Revision TR-MAM-42-1333, Door Latching and
Locking, dated November 28, 2024.
(iii) Diamond Aircraft DA 42 with OAM 42-102 Garmin GFC 700 AFM
Doc. No.
[[Page 41350]]
7.01.06-E Temporary Revision TR-MAM-42-1333, Door Latching and
Locking, dated November 28, 2024.
(iv) Diamond Aircraft DA 42 NG AFM Doc. No. 7.01.15-E Temporary
Revision TR-MAM-42-1333, Door Latching and Locking, dated November
28, 2024.
(v) Diamond Aircraft DA 42 NG AFM Doc. No. 7.01.16-E Temporary
Revision TR-MAM-42-1333, Door Latching and Locking, dated November
28, 2024.
(3) For Diamond Aircraft material identified in this AD, contact
Diamond Aircraft Industries GmbH, N.A. Otto-Stra[beta]e 5, A-2700
Wiener Neustadt, Austria; phone: +43 2622 26700; email:
<a href="/cdn-cgi/l/email-protection#2f404949464c4a6f4b464e4240414b024e465d014e5b"><span class="__cf_email__" data-cfemail="aac5ccccc3c9cfeacec3cbc7c5c4ce87cbc3d884cbde">[email protected]</span></a>; website: <a href="http://diamondaircraft.com/">diamondaircraft.com/</a>.
(4) You may view this material at the FAA, Airworthiness
Products Section, Operational Safety Branch, 901 Locust, Kansas
City, MO 64106. For information on the availability of this material
at the FAA, call (817) 222-5110.
(5) You may view this material at the National Archives and
Records Administration (NARA). For information on the availability
of this material at NARA, visit <a href="http://www.archives.gov/federal-register/cfr/ibr-locations">www.archives.gov/federal-register/cfr/ibr-locations</a> or email <a href="/cdn-cgi/l/email-protection#4127336f282f3231242235282e2f012f2033206f262e37"><span class="__cf_email__" data-cfemail="c9afbbe7a0a7bab9acaabda0a6a789a7a8bba8e7aea6bf">[email protected]</span></a>.
Issued on August 20, 2025.
Steven W. Thompson,
Acting Deputy Director, Compliance & Airworthiness Division, Aircraft
Certification Service.
[FR Doc. 2025-16195 Filed 8-22-25; 8:45 am]
BILLING CODE 4910-13-P
</pre><script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script></body>
</html>Indexed from Federal Register on August 25, 2025.
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