Proposed Rule2022-24390
Airworthiness Directives; Continental Aerospace Technologies GmbH Reciprocating Engines
Primary source
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Published
November 9, 2022
Issuing agencies
Transportation DepartmentFederal Aviation Administration
Abstract
The FAA proposes to adopt a new airworthiness directive (AD) for certain Continental Aerospace Technologies GmbH TAE 125-02-99 and TAE 125-02-114 model reciprocating engines. This proposed AD was prompted by manufacturer reports of fractured main bearing studs. This proposed AD would require the removal and replacement of certain main bearing studs. The FAA is proposing this AD to address the unsafe condition on these products.
Full Text
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<title>Federal Register, Volume 87 Issue 216 (Wednesday, November 9, 2022)</title>
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[Federal Register Volume 87, Number 216 (Wednesday, November 9, 2022)]
[Proposed Rules]
[Pages 67572-67575]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2022-24390]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2022-1413; Project Identifier MCAI-2021-00077-E]
RIN 2120-AA64
Airworthiness Directives; Continental Aerospace Technologies GmbH
Reciprocating Engines
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking (NPRM).
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SUMMARY: The FAA proposes to adopt a new airworthiness directive (AD)
for certain Continental Aerospace
[[Page 67573]]
Technologies GmbH TAE 125-02-99 and TAE 125-02-114 model reciprocating
engines. This proposed AD was prompted by manufacturer reports of
fractured main bearing studs. This proposed AD would require the
removal and replacement of certain main bearing studs. The FAA is
proposing this AD to address the unsafe condition on these products.
DATES: The FAA must receive comments on this NPRM by December 27, 2022.
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-2022-1413; 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 service information identified in this NPRM, contact
Continental Aerospace Technologies GmbH, Platanenstrasse 14, 09356
Sankt Egidien, Germany; phone: +49 37204 696 0; email:
<a href="/cdn-cgi/l/email-protection#a9dadcd9d9c6dbdde995c889c1dbcccf94" http: continentaldiesel.com">continentaldiesel.com</a>">support@<a href="http://continentaldiesel.com">continentaldiesel.com</a></a>; website: <a href="http://continentaldiesel.com">continentaldiesel.com</a>.
<bullet> You may view this service information at the FAA,
Airworthiness Products Section, Operational Safety Branch, 1200
District Avenue, Burlington, MA 01803. For information on the
availability of this material at the FAA, call (817) 222-5110.
FOR FURTHER INFORMATION CONTACT: Barbara Caufield, Aviation Safety
Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803;
phone: (781) 238-7146; email: <a href="/cdn-cgi/l/email-protection#167477647477647738757763707f737a725670777738717960"><span class="__cf_email__" data-cfemail="8ceeedfeeeedfeeda2efedf9eae5e9e0e8cceaededa2ebe3fa">[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-2022-1413; Project Identifier
MCAI-2021-00077-E'' 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
Barbara Caufield, Aviation Safety Engineer, ECO Branch, FAA, 1200
District Avenue, Burlington, MA 01803. 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 2021-0022, dated January 18, 2021 (referred to after this as
``the MCAI''), to address an unsafe condition on certain Continental
Aerospace Technologies GmbH (Type Certificate previously held by
Technify Motors GmbH and Thielert Aircraft Engines GmbH) TAE 125-02-99
and TAE 125-02-114 model reciprocating engines. The MCAI states that
the manufacturer has received reports of fractured main bearing studs.
A fractured main bearing stud provides improper support to the
crankshaft and increases crankshaft clearance, resulting in crankshaft
sensor failures and potential crankshaft fracture. The manufacturer is
investigating the root cause of main bearing stud failures. To address
this unsafe condition, Continental Aerospace Technologies GmbH
published service information to identify the serial numbers (S/Ns) of
the affected engines and specify procedures for replacement of certain
main bearing studs. The MCAI specifies actions to replace main bearing
studs and specifies certain main bearing studs that are not to be
installed onto any engine. This condition, if not addressed, could
result in engine in-flight shutdown and forced landing, damage to the
airplane, and injury to the occupants. The FAA is issuing this AD to
address the unsafe condition.
You may examine the MCAI in the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2022-1413.
Related Service Information Under 1 CFR Part 51
The FAA reviewed Continental Aerospace Technologies GmbH Service
Bulletin (SB) CG 125-1027 P1, Revision 1, dated May 28, 2021. This
service information identifies the S/Ns of the affected engines and
specifies procedures for replacing the main bearing studs. The FAA also
reviewed Continental Aerospace Technologies GmbH Repair Instruction RI-
05-0017-04, Revision 4, dated April 1, 2021. This service information
provides instructions for replacing the main bearing studs.
This service information is reasonably available because the
interested parties have access to it through their normal course of
business or by the means identified in ADDRESSES.
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 service information described 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 these
same type designs.
Proposed AD Requirements in This NPRM
This proposed AD would require the removal of certain main bearing
studs
[[Page 67574]]
from service and replacement with parts eligible for installation. This
proposed AD would also prohibit the installation of certain main
bearing studs.
Costs of Compliance
The FAA estimates that this AD, if adopted as proposed, would
affect 92 engines installed on aircraft of U.S. registry.
The FAA estimates the following costs to comply with this proposed
AD:
Estimated Costs
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Cost per Cost on U.S.
Action Labor Cost Parts Cost product operators
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Replace main bearing studs............ 16 work-hours x $85 per $5,500 $6,860 $631,120
hour = $1,360.
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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.
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:
Continental Aerospace Technologies GmbH (Type Certificate previously
held by Technify Motors GmbH and Thielert Aircraft Engines GmbH):
Docket No. FAA-2022-1413; Project Identifier MCAI-2021-00077-E.
(a) Comments Due Date
The FAA must receive comments on this airworthiness directive
(AD) by December 27, 2022.
(b) Affected ADs
None.
(c) Applicability
This AD applies to Continental Aerospace Technologies GmbH (Type
Certificate previously held by Technify Motors GmbH and Thielert
Aircraft Engines GmbH) TAE 125-02-99 and TAE 125-02-114 model
reciprocating engines with an engine serial number (S/N) identified
in Models Affected, Continental Aerospace Technologies GmbH Service
Bulletin (SB) CG 125-1027 P1, Revision 1, dated May 28, 2021.
(d) Subject
Joint Aircraft System Component (JASC) Code 7200, Engine
(Turbine/Turboprop).
(e) Unsafe Condition
This AD was prompted by manufacturer reports of fractured main
bearing studs. The FAA is issuing this AD to prevent failure of the
main bearing stud. The unsafe condition, if not addressed, could
result in engine in-flight shutdown and forced landing, damage to
the airplane, and injury to the occupants.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Required Actions
(1) For Group 1 and Group 2 engines, before exceeding the
applicable compliance time in Table 1 to paragraph (g)(1) of this
AD, remove all main bearing studs from service if one or more main
bearing studs with part number (P/N) 05-7211-K009801 and batch
number B180703/1, B184216/1, B184216/2, or B191277/1 are installed
on the engine and replace with parts eligible for installation in
accordance with Instructions, paragraphs 4.2 through 4.2.17 of
Continental Aerospace Technologies GmbH Repair Instruction RI-05-
0017-04, Revision 4, dated April 1, 2021 (Continental Aerospace
Technologies GmbH RI-05-0017-04, Revision 4).
Table 1 to Paragraph (g)(1)--Main Bearing Stud Replacement
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Flight hours (FHs)
Group since new Compliance time
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1................ 100 FHs or less........ Before exceeding 115 FHs
since new, or during the
next scheduled maintenance,
whichever occurs first
after the effective date of
this AD.
1................ More than 100 FHs...... Before exceeding 15 FHs from
the effective date of this
AD, or during the next
scheduled maintenance,
whichever occurs first
after the effective date of
this AD.
2................ 100 FHs or less........ Before exceeding 200 FHs
since new, or during the
next scheduled maintenance
whichever occurs first
after the effective date of
this AD.
[[Page 67575]]
2................ More than 100 FHs...... Before exceeding 100 FHs
from the effective date of
this AD, or during the next
scheduled maintenance,
whichever occurs first
after the effective date of
this AD.
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Note 1 to paragraph (g)(1): FHs since new indicated in Table 1
to paragraph (g)(1) of this AD are FHs accumulated by the engine
since first installation on an airplane, on the effective date of
this AD.
(2) For engines not installed on an airplane as of the effective
date of this AD, before further flight, remove all main bearing
studs if one or more main bearing studs with P/N 05-7211-K009801 and
batch number B180703/1, B184216/1, B184216/2, or B191277/1 are
installed on the engine and replace with parts eligible for
installation in accordance with Instructions, paragraphs 4.2 through
4.2.17 of Continental Aerospace Technologies GmbH RI-05-0017-04,
Revision 4.
(h) Installation Prohibition
After the effective date of this AD, do not install onto any
engine a main bearing stud with P/N 05-7211-K009801 and batch number
B180703/1, B184216/1, B184216/2, or B191277/1.
(i) Definitions
(1) For the purpose of this AD, Group 1 engines are affected
engines installed on single-engine airplanes, with main bearing stud
with P/N 05-7211-K009801 and batch number B180703/1, B184216/1,
B184216/2, or B191277/1 installed on the engine, and affected
engines installed on twin-engine airplanes, with main bearing stud
with P/N 05-7211-K009801 and batch number B180703/1, B184216/1,
B184216/2, or B191277/1 installed on both engines.
(2) For the purpose of this AD, Group 2 engines are affected
engines installed on twin-engine airplanes, with main bearing stud
with P/N 05-7211-K009801 and batch number B180703/1, B184216/1,
B184216/2, or B191277/1 installed on only one engine.
(3) For the purpose of this AD, parts eligible for installation
are any main bearing studs that do not have P/N 05-7211-K009801 and
batch number B180703/1, B184216/1, B184216/2, or B191277/1.
(j) Alternative Methods of Compliance (AMOCs)
The Manager, ECO Branch, FAA, has the authority to approve AMOCs
for this AD, if requested using the procedures found in Sec. 39.19.
In accordance with Sec. 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 certification
office, send it to the attention of the person identified in
paragraph (k)(2) of this AD and email to: <a href="/cdn-cgi/l/email-protection#4f0e010a620e0b620e02000c0f292e2e61282039"><span class="__cf_email__" data-cfemail="d7969992fa9693fa969a989497b1b6b6f9b0b8a1">[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.
(k) Additional Information
(1) Refer to European Union Aviation Safety Agency (EASA) AD
2021-0022, dated January 18, 2021, for related information. This
EASA AD may be found in the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2022-1413.
(2) For more information about this AD, contact Barbara
Caufield, Aviation Safety Engineer, ECO Branch, FAA, 1200 District
Avenue, Burlington, MA 01803; phone: (781) 238-7146; email:
<a href="/cdn-cgi/l/email-protection#dcbebdaebebdaebdf2bfbda9bab5b9b0b89cbabdbdf2bbb3aa"><span class="__cf_email__" data-cfemail="bddfdccfdfdccfdc93dedcc8dbd4d8d1d9fddbdcdc93dad2cb">[email protected]</span></a>.
(l) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference of the service information listed in this
paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this service information as applicable to do
the actions required by this AD, unless the AD specifies otherwise.
(i) Continental Aerospace Technologies GmbH Service Bulletin CG
125-1027 P1, Revision 1, dated May 28, 2021.
(ii) Continental Aerospace Technologies GmbH Repair Instruction
RI-05-0017-04, Revision 4, dated April 1, 2021.
(3) For Continental Aerospace Technologies GmbH service
information identified in this AD, contact Continental Aerospace
Technologies GmbH, Platanenstrasse 14, 09356 Sankt Egidien, Germany;
phone: +49 37204 696 0; email: <a href="/cdn-cgi/l/email-protection#22515752524d5056621e43024a5047441f" http: continentaldiesel.com">continentaldiesel.com</a>">support@<a href="http://continentaldiesel.com">continentaldiesel.com</a></a>;
website: <a href="http://continentaldiesel.com">continentaldiesel.com</a>.
(4) You may view this service information at the FAA,
Airworthiness Products Section, Operational Safety Branch, 1200
District Avenue, Burlington, MA 01803. For information on the
availability of this material at the FAA, call (817) 222-5110.
(5) You may view this service information that is incorporated
by reference at the National Archives and Records Administration
(NARA). For information on the availability of this material at
NARA, email: <a href="/cdn-cgi/l/email-protection#c9afbbe7a0a7bab9acaabda0a6a789a7a8bba8e7aea6bf"><span class="__cf_email__" data-cfemail="caacb8e4a3a4b9baafa9bea3a5a48aa4abb8abe4ada5bc">[email protected]</span></a>, or go to: <a href="http://www.archives.gov/federal-register/cfr/ibr-locations.html">www.archives.gov/federal-register/cfr/ibr-locations.html</a>.
Issued on November 3, 2022.
Christina Underwood,
Acting Director, Compliance & Airworthiness Division, Aircraft
Certification Service.
[FR Doc. 2022-24390 Filed 11-8-22; 8:45 am]
BILLING CODE 4910-13-P
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