Rule2022-27670
Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines
Primary source
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Published
December 22, 2022
Effective
January 26, 2023
Issuing agencies
Transportation DepartmentFederal Aviation Administration
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain GE Aviation Czech s.r.o. (GEAC) M601D-11, M601E-11, M601E-11A, M601E-11AS, M601E-11S, M601F, H75-100, H75-200, H80, H80-100, H80-200, H85-100, and H85-200 model turboprop engines. This AD was prompted by reports of cracks in dilution tube weld areas of the combustion chamber outer liner. This AD requires initial and repetitive borescope inspections (BSIs) of the dilution tube weld areas of the combustion chamber outer liner and, depending on the results of the inspections, replacement of the combustion chamber outer liner with a part eligible for installation. The FAA is issuing this AD to address the unsafe condition on these products.
Full Text
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<title>Federal Register, Volume 87 Issue 245 (Thursday, December 22, 2022)</title>
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[Federal Register Volume 87, Number 245 (Thursday, December 22, 2022)]
[Rules and Regulations]
[Pages 78532-78535]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2022-27670]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2022-1239; Project Identifier MCAI-2022-00301-E;
Amendment 39-22279; AD 2022-26-01]
RIN 2120-AA64
Airworthiness Directives; GE Aviation Czech s.r.o. (Type
Certificate Previously Held by WALTER Engines a.s., Walter a.s., and
MOTORLET a.s.) Turboprop Engines
AGENCY: Federal Aviation Administration (FAA), DOT.
[[Page 78533]]
ACTION: Final rule.
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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for
certain GE Aviation Czech s.r.o. (GEAC) M601D-11, M601E-11, M601E-11A,
M601E-11AS, M601E-11S, M601F, H75-100, H75-200, H80, H80-100, H80-200,
H85-100, and H85-200 model turboprop engines. This AD was prompted by
reports of cracks in dilution tube weld areas of the combustion chamber
outer liner. This AD requires initial and repetitive borescope
inspections (BSIs) of the dilution tube weld areas of the combustion
chamber outer liner and, depending on the results of the inspections,
replacement of the combustion chamber outer liner with a part eligible
for installation. The FAA is issuing this AD to address the unsafe
condition on these products.
DATES: This AD is effective January 26, 2023.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of January 26,
2023.
ADDRESSES:
AD Docket: You may examine the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2022-1239; 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 final rule, the mandatory continuing airworthiness
information (MCAI), any comments received, and other information. The
address for Docket Operations is U.S. Department of Transportation,
Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200
New Jersey Avenue SE, Washington, DC 20590.
Material Incorporated by Reference:
<bullet> For GEAC service information identified in this final
rule, contact GE Aviation Czech s.r.o., Beranov[yacute]ch 65, 199 02
Praha 9, Let[ncaron]any, Czech Republic; phone: +420 222 538 111.
<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. It is
also available at <a href="http://regulations.gov">regulations.gov</a> under Docket No. FAA-2022-1239.
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#0e6c6f7c6c6f7c6f206d6f7b68676b626a4e686f6f20696178"><span class="__cf_email__" data-cfemail="385a594a5a594a59165b594d5e515d545c785e5959165f574e">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION:
Background
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 by adding an AD that would apply to certain GEAC M601D-11,
M601E-11, M601E-11A, M601E-11AS, M601E-11S, M601F, H75-100, H75-200,
H80, H80-100, H80-200, H85-100, and H85 200 model turboprop engines.
The NPRM published in the Federal Register on September 27, 2022 (87 FR
58466). The NPRM was prompted by AD 2022-0034, dated March 4, 2022,
issued by the European Union Aviation Safety Agency (EASA), which is
the Technical Agent for the Member States of the European Union
(referred to after this as ``the MCAI''). The MCAI states that
occurrences of cracks in dilution tube weld areas of the combustion
chamber outer liner have been reported. These cracks can lead to crack
propagation, possibly resulting in part separation, loss of engine
power, and reduced control of the aircraft.
In the NPRM, the FAA proposed to require initial and repetitive
BSIs of the dilution tube weld areas of the combustion chamber outer
liner and, depending on the results of the inspections, corrective
action in accordance with the service information. The FAA is issuing
this AD to address the unsafe condition on these products.
You may examine the MCAI in the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2022-1239.
Discussion of Final Airworthiness Directive
Comments
The FAA received no comments on the NPRM or on the determination of
the costs.
Conclusion
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 referenced above. The FAA reviewed the relevant data and
determined that air safety requires adopting this AD as proposed.
Accordingly, the FAA is issuing this AD to address the unsafe condition
on these products. Except for minor editorial changes, this AD is
adopted as proposed in the NPRM.
Related Service Information Under 1 CFR Part 51
The FAA reviewed GEAC Alert Service Bulletin (ASB) ASB-H75-72-40-
00-0056 [01], ASB-M601E-72-40-00-0113 [01], ASB-H80-72-40-00-0099 [01],
ASB-M601D-72-40-00-0081 [01], ASB-M601F-72-40-00-0064 [01], ASB-M601Z-
72-40-00-0063 [01], and ASB-H85-72-40-00-0045 [01], (single document;
formatted as service bulletin identifier [revision number]), dated
February 16, 2022. This service information specifies procedures for
BSIs of the dilution tube weld areas of the combustion chamber outer
liner and replacement of the combustion chamber outer liner.
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.
Costs of Compliance
The FAA estimates that this AD affects 33 engines installed on
airplanes of U.S. registry.
The FAA estimates the following costs to comply with this AD:
Estimated Costs
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Cost per Cost on U.S.
Action Labor cost Parts cost product operators
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BSI of combustion chamber outer liner. 2.5 work-hours x $85 per $0 $212.50 $7,012.50
hour = $212.50.
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The FAA estimates the following costs to do any necessary
replacements that would be required based on the results of the
inspection. The agency has no way of determining the number of aircraft
that might need these replacements:
[[Page 78534]]
On-Condition Costs
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Cost per
Action Labor cost Parts cost product
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On-wing replacement of combustion chamber 64 work-hours x $85 per hour = $74,909 $80,349
outer liner. $5,440.
In-shop replacement of combustion chamber 56 work-hours x $85 per hour = 74,909 79,669
outer liner. $4,760.
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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 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
This AD will not have federalism implications under Executive Order
13132. This AD will 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 that this AD:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Will not affect intrastate aviation in Alaska, and
(3) Will 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 Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 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:
2022-26-01 GE Aviation Czech s.r.o (Type Certificate previously held
by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.): Amendment
39-22279; Docket No. FAA-2022-1239; Project Identifier MCAI-2022-
00301-E.
(a) Effective Date
This airworthiness directive (AD) is effective January 26, 2023.
(b) Affected ADs
None.
(c) Applicability
This AD applies to GE Aviation Czech s.r.o. (GEAC) M601D-11,
M601E-11, M601E-11A, M601E-11AS, M601E-11S, M601F, H75-100, H75-200,
H80, H80-100, H80-200, H85-100, and H85-200 model turboprop engines
installed on single-engine airplanes, with an installed combustion
chamber outer liner having part numbers (P/Ns) M601-229.3, M601-
229.3A, M601-229.3B, M601-229.31A, or M601-229.31B.
(d) Subject
Joint Aircraft System Component (JASC) Code 7240, Turbine Engine
Combustion Section.
(e) Unsafe Condition
This AD was prompted by reports of cracks in dilution tube weld
areas of the combustion chamber outer liner. The FAA is issuing this
AD to prevent failure of the combustion chamber outer liner. The
unsafe condition, if not addressed, could result in uncontained
release of the combustion chamber outer liner, loss of engine power,
and reduced control of the airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Required Actions
(1) At the next 300-hour (Type 3) engine inspection, or within
25 flight hours (FHs) after the effective date of this AD, whichever
occurs later, and thereafter at intervals not to exceed 300 FHs,
perform a borescope inspection (BSI) of the dilution tube weld areas
of the combustion chamber outer liner in accordance with the
Accomplishment Instructions, paragraph 2.1 of GEAC Alert Service
Bulletin (ASB) ASB-H75-72-40-00-0056 [01], ASB-M601E-72-40-00-0113
[01], ASB-H80-72-40-00-0099 [01], ASB-M601D-72-40-00-0081 [01], ASB-
M601F-72-40-00-0064 [01], ASB-M601Z-72-40-00-0063 [01], and ASB-H85-
72-40-00-0045 [01] (single document; formatted as service bulletin
identifier [revision number]), dated February 16, 2022 (the ASB).
(2) If a crack is detected during any BSI required by paragraph
(g)(1) of this AD, before further flight, perform the applicable
corrective actions in accordance with the Accomplishment
Instructions, paragraph 2.1, Table 1 of the ASB.
(h) Terminating Action
Replacing the affected combustion chamber outer liner with a
combustion chamber outer liner that does not have P/N M601-229.3,
M601-229.3A, M601-229.3B, M601-229.31A, or M601-229.31B, constitutes
a terminating action for the repetitive inspections required by
paragraph (g)(1) of this AD.
(i) Conditional Part Installation
(1) After the effective date of this AD, it is permissible to
install an engine, having an affected combustion chamber outer liner
installed, on a single-engine airplane, provided that prior to
operation, the BSI required by paragraph (g)(1) of this AD is
performed and, depending on the findings, the applicable corrective
actions are performed as required by paragraph (g)(2) of this AD.
(2) After the effective date of this AD, it is permissible to
install an affected combustion chamber outer liner on the engine of
a single-engine airplane, provided that it is a part eligible for
installation, as defined in paragraph (j) of this AD, and provided
that prior to operation, the BSI required by paragraph (g)(1) of
this AD is performed and, depending on the findings, the applicable
corrective actions are performed as required by paragraph (g)(2) of
this AD.
(j) Definitions
For the purpose of this AD, a ``part eligible for installation''
is an affected combustion chamber outer liner, which was not
previously installed on an engine, or an affected combustion chamber
outer liner that,
[[Page 78535]]
before installation, has passed an inspection (no defects found) in
accordance with the Accomplishment Instructions, paragraphs 2.2 and
2.3 of the ASB, or a combustion chamber outer liner that does not
have P/Ns M601-229.3, M601-229.3A, M601-229.3B, M601-229.31A, or
M601-229.31B.
(k) 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 (l)(2) of this AD or email to: <a href="/cdn-cgi/l/email-protection#a7e6e9e28ae6e38ae6eae8e4e7c1c6c689c0c8d1"><span class="__cf_email__" data-cfemail="bffef1fa92fefb92fef2f0fcffd9dede91d8d0c9">[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.
(l) Additional Information
(1) Refer to European Union Aviation Safety Agency (EASA) AD
2022-0034, dated March 4, 2022, 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-2022-1239.
(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#cdafacbfafacbface3aeacb8aba4a8a1a98dabacace3aaa2bb"><span class="__cf_email__" data-cfemail="3e5c5f4c5c5f4c5f105d5f4b58575b525a7e585f5f10595148">[email protected]</span></a>.
(m) 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) GE Aviation Czech s.r.o. (GEAC) Alert Service Bulletin (ASB)
ASB-H75-72-40-00-0056 [01], ASB-M601E-72-40-00-0113 [01], ASB-H80-
72-40-00-0099 [01], ASB-M601D-72-40-00-0081 [01], ASB-M601F-72-40-
00-0064 [01], ASB-M601Z-72-40-00-0063 [01], and ASB-H85-72-40-00-
0045 [01] (single document; formatted as service bulletin identifier
[revision number]), dated February 16, 2022.
(ii) [Reserved]
(3) For GEAC service information identified in this AD, contact
GE Aviation Czech s.r.o., Beranov[yacute]ch 65, 199 02 Praha 9,
Let[ncaron]any, Czech Republic; phone: +420 222 538 111.
(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#771105591e1904071214031e1819371916051659101801"><span class="__cf_email__" data-cfemail="88eefaa6e1e6fbf8edebfce1e7e6c8e6e9fae9a6efe7fe">[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 December 7, 2022.
Christina Underwood,
Acting Director, Compliance & Airworthiness Division, Aircraft
Certification Service.
[FR Doc. 2022-27670 Filed 12-21-22; 8:45 am]
BILLING CODE 4910-13-P
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