Airworthiness Directives; The Boeing Company Airplanes, 53654-53656 [2022-18774]

Download as PDF 53654 Federal Register / Vol. 87, No. 169 / Thursday, September 1, 2022 / Rules and Regulations Aviation Operations Center, 1 Neumann Way, M/D Room 285, Cincinnati, OH 45125; phone: (877) 432–3272; email: aviation.fleetsupport@ge.com. (4) You may view this service information at 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: fr.inspection@nara.gov, or go to: www.archives.gov/federal-register/cfr/ibrlocations.html. Issued on August 12, 2022. Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2022–18923 Filed 8–31–22; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2022–0290; Project Identifier AD–2021–01266–T; Amendment 39–22109; AD 2022–14–04] RIN 2120–AA64 Airworthiness Directives; The Boeing Company Airplanes Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787–8, 787–9, and 787–10 airplanes. This AD was prompted by a report from Boeing that Rolls-Royce Deutschland Ltd & Co KG (RRD) discovered a design issue in the engine fuel feed system, which could result in fuel flow restrictions to both engines when ice that has SUMMARY: accumulated in the airplane fuel feed system suddenly releases into the engines. This AD requires revising the existing airplane flight manual (AFM) to update the limitations on minimum fuel temperatures. The FAA is issuing this AD to address the unsafe condition on these products. DATES: This AD is effective October 6, 2022. ADDRESSES: the FAA proposed to require revising the existing AFM to update the limitations on minimum fuel temperatures. The FAA is issuing this AD to address possible fuel flow restrictions to both engines, which could result in loss of dual engine thrust control and reduced controllability of the airplane. Examining the AD Docket You may examine the AD docket at www.regulations.gov by searching for and locating Docket No. FAA–2022– 0290; 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, 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. FOR FURTHER INFORMATION CONTACT: Tak Kobayashi, Aerospace Engineer, Propulsion Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206– 231–3553; email: Takahisa.Kobayashi@ faa.gov. SUPPLEMENTARY INFORMATION: Comments 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 The Boeing Company Model 787–8, 787–9, and 787–10 airplanes. The NPRM published in the Federal Register on April 14, 2022 (87 FR 22158). The NPRM was prompted by a report from Boeing that RRD discovered a design issue in the engine fuel feed system, which could result in fuel flow restrictions to both engines when ice that has accumulated in the airplane fuel feed system suddenly releases into the engines. In the NPRM, Discussion of Final Airworthiness Directive The FAA received no comments on the NPRM or on the determination of the cost to the public. Conclusion The FAA reviewed the relevant data and determined that air safety requires adopting this AD as proposed. Except for minor editorial changes, this AD is adopted as proposed in the NPRM. None of the changes will increase the economic burden on any operator. Interim Action The FAA considers this AD interim action. Boeing is currently working with RRD to develop updated electronic engine control (EEC) software, which will change the engine oil temperature amber line indicated in the engine indication and crew alerting system (EICAS). This change will ensure that, before takeoff, the engine oil temperature would be warm enough to operate the engine with cold fuel. The updated EEC software combined with the action required by this AD will address the unsafe condition identified in this AD. Once this software is developed, approved, and available, the FAA might consider additional rulemaking. Costs of Compliance The FAA estimates that this AD affects 14 airplanes of U.S. registry. The FAA estimates the following costs to comply with this AD: jspears on DSK121TN23PROD with RULES ESTIMATED COSTS Action Labor cost Revising the existing AFM .............................. 1 work-hour × $85 per hour = $85 ................. 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 VerDate Sep<11>2014 16:19 Aug 31, 2022 Jkt 256001 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 PO 00000 Frm 00008 Fmt 4700 Sfmt 4700 Cost per product Parts cost $0 $85 Cost on U.S. operators $1,190 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 E:\FR\FM\01SER1.SGM 01SER1 Federal Register / Vol. 87, No. 169 / Thursday, September 1, 2022 / Rules and Regulations 1. The authority citation for part 39 continues to read as follows: ■ 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. Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 2. The FAA amends § 39.13 by adding the following new airworthiness directive: ■ 2022–14–04 The Boeing Company: Amendment 39–22109; Docket No. FAA–2022–0290; Project Identifier AD– 2021–01266–T. (a) Effective Date This airworthiness directive (AD) is effective October 6, 2022. (b) Affected ADs None. Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: (h) Alternative Methods of Compliance (AMOCs) (1) The Manager, Seattle ACO 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 responsible Flight Standards 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 (i) of this AD. Information may be emailed to: 9ANMSeattle-ACO-AMOC-Requests@faa.gov. (2) Before using any approved AMOC, notify your appropriate principal inspector, Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. The Amendment VerDate Sep<11>2014 16:19 Aug 31, 2022 Jkt 256001 PO 00000 Frm 00009 Fmt 4700 Trent 1000–J3, Trent 1000–K2, Trent 1000– K3, Trent 1000–L2, Trent 1000–L3, Trent 1000–M3, Trent 1000–N3, Trent 1000–P3, Trent 1000–Q3, or Trent 1000–R3 engines installed. (d) Subject Air Transport Association (ATA) of America Code 28, Fuel. [Amended] (c) Applicability This AD applies to The Boeing Company Model 787–8, 787–9, and 787–10 airplanes, certificated in any category, with Rolls-Royce Deutschland Ltd & Co KG Model Trent 1000– A (including –A/01 and –A/01A), Trent 1000–A2, Trent 1000–AE (including –AE/ 01A), Trent 1000–AE2, Trent 1000–AE3, Trent 1000–C (including –C/01 and –C/01A), Trent 1000–C2, Trent 1000–CE (including –CE/01A), Trent 1000–CE2, Trent 1000–CE3, Trent 1000–D (including –D/01 and –D/01A), Trent 1000–D2, Trent 1000–D3, Trent 1000– E (including –E/01 and –E/01A), Trent 1000– E2, Trent 1000–G (including –G/01 and –G/ 01A), Trent 1000–G2, Trent 1000–G3, Trent 1000–H (including –H/01 and –H/01A), Trent 1000–H2, Trent 1000–H3, Trent 1000–J2, List of Subjects in 14 CFR Part 39 jspears on DSK121TN23PROD with RULES PART 39—AIRWORTHINESS DIRECTIVES Sfmt 4700 (e) Unsafe Condition This AD was prompted by a report from Boeing that Rolls-Royce Deutschland Ltd & Co KG discovered a design issue in the engine fuel feed system, which could result in fuel flow restrictions to both engines when ice that has accumulated in the airplane fuel feed system suddenly releases into the engines. The sudden release of accumulated ice into the engine fuel feed system, in combination with low fuel temperatures, could cause freezing temperatures at the inlet of certain engine fuel feed system components. The FAA is issuing this AD to address possible fuel flow restrictions to both engines, which could result in loss of dual engine thrust control and reduced controllability of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Airplane Flight Manual (AFM) Revision Within 30 days after the effective date of this AD, revise the existing AFM to incorporate the information specified in figure 1 to paragraph (g) of this AD into the ‘‘Certificate Limitations’’ chapter of the applicable Engine Appendix of the existing AFM. or lacking a principal inspector, the manager of the responsible Flight Standards Office. (3) An AMOC that provides an acceptable level of safety may be used for any repair, modification, or alteration required by this AD if it is approved by The Boeing Company Organization Designation Authorization (ODA) that has been authorized by the E:\FR\FM\01SER1.SGM 01SER1 ER01SE22.014</GPH> unsafe condition that is likely to exist or develop on products identified in this rulemaking action. 53655 53656 Federal Register / Vol. 87, No. 169 / Thursday, September 1, 2022 / Rules and Regulations Manager, Seattle ACO Branch, FAA, to make those findings. To be approved, the repair method, modification deviation, or alteration deviation must meet the certification basis of the airplane, and the approval must specifically refer to this AD. (i) Related Information For more information about this AD, contact Tak Kobayashi, Aerospace Engineer, Propulsion Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone and fax: 206–231–3553; email: Takahisa.Kobayashi@faa.gov. (j) Material Incorporated by Reference None. Issued on June 24, 2022. Christina Underwood, Acting Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2022–18774 Filed 8–31–22; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 71 RIN 2120–AA66 Revocation of Class E Airspace; Watersmeet, MI Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: This action removes the Class E airspace at Watersmeet, MI. The FAA is taking this action as the result of an airspace review due to the decommissioning of the Watersmeet non-directional beacon (NDB). DATES: Effective 0901 UTC, November 3, 2022. The Director of the Federal Register approves this incorporation by reference action under 1 CFR part 51, subject to the annual revision of FAA Order JO 7400.11 and publication of conforming amendments. ADDRESSES: FAA Order JO 7400.11F, Airspace Designations and Reporting Points, and subsequent amendments can be viewed online at www.faa.gov/air_ traffic/publications/. For further information, you can contact the Airspace Policy Group, Federal Aviation Administration, 800 Independence Avenue SW, Washington, DC 20591; telephone: (202) 267–8783. FOR FURTHER INFORMATION CONTACT: Rebecca Shelby, Federal Aviation Administration, Operations Support Group, Central Service Center, 10101 Hillwood Parkway, Fort Worth, TX 76177; telephone (817) 222–5857. jspears on DSK121TN23PROD with RULES SUMMARY: 16:19 Aug 31, 2022 Authority for This Rulemaking The FAA’s authority to issue rules regarding aviation safety is found in Title 49 of the United States Code. 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. This rulemaking is promulgated under the authority described in Subtitle VII, Part A, Subpart I, Section 40103. Under that section, the FAA is charged with prescribing regulations to assign the use of airspace necessary to ensure the safety of aircraft and the efficient use of airspace. This regulation is within the scope of that authority as it removes the Class E airspace extending upward from 700 feet above the surface at Northwoods Airport, Watersmeet, MI, due to the cancellation of the instrument procedures at this airport, and the airspace is no longer being required. History [Docket No. FAA–2022–0766; Airspace Docket No. 22–AGL–25] VerDate Sep<11>2014 SUPPLEMENTARY INFORMATION: Jkt 256001 The FAA published a notice of proposed rulemaking in the Federal Register (87 FR 37252; June 22, 2022) for Docket No. FAA–2022–0766 to remove the Class E airspace at Watersmeet, MI. Interested parties were invited to participate in this rulemaking effort by submitting written comments on the proposal to the FAA. No comments were received. Class E airspace designations are published in paragraph 6005 of FAA Order JO 7400.11F, dated August 10, 2021, and effective September 15, 2021, which is incorporated by reference in 14 CFR 71.1. The Class E airspace designations listed in this document will be published subsequently in FAA Order JO 7400.11. Availability and Summary of Documents for Incorporation by Reference This document amends FAA Order JO 7400.11F, Airspace Designations and Reporting Points, dated August 10, 2021, and effective September 15, 2021. FAA Order JO 7400.11F is publicly available as listed in the ADDRESSES section of this document. FAA Order JO 7400.11F lists Class A, B, C, D, and E airspace areas, air traffic service routes, and reporting points. This action is the result of the instrument procedures at this airport being cancelled and the decommissioning of the Watersmeet NDB, the airspace no longer being required. FAA Order JO 7400.11, Airspace Designations and Reporting Points, is published yearly and effective on September 15. Regulatory Notices and Analyses The FAA has determined that this regulation only involves an established body of technical regulations for which frequent and routine amendments are necessary to keep them operationally current, is non-controversial and unlikely to result in adverse or negative comments. It, therefore: (1) is not a ‘‘significant regulatory action’’ under Executive Order 12866; (2) is not a ‘‘significant rule’’ under DOT Regulatory Policies and Procedures (44 FR 11034; February 26, 1979); and (3) does not warrant preparation of a regulatory evaluation as the anticipated impact is so minimal. Since this is a routine matter that only affects air traffic procedures and air navigation, it is certified that this rule, when promulgated, does not have a significant economic impact on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. Environmental Review The FAA has determined that this action qualifies for categorical exclusion under the National Environmental Policy Act in accordance with FAA Order 1050.1F, ‘‘Environmental Impacts: Policies and Procedures,’’ paragraph 5–6.5.a. This airspace action is not expected to cause any potentially significant environmental impacts, and no extraordinary circumstances exist that warrant preparation of an environmental assessment. Lists of Subjects in 14 CFR 71 Airspace, Incorporation by reference, Navigation (air). Adoption of the Amendment In consideration of the foregoing, the Federal Aviation Administration amends 14 CFR part 71 as follows: PART 71—DESIGNATION OF CLASS A, B, C, D, AND E AIRSPACE AREAS; AIR TRAFFIC SERVICE ROUTES; AND REPORTING POINTS The Rule ■ This amendment to 14 CFR 71 removes the Class E airspace extending upward from 700 feet above the surface at Northwoods Airport, Watersmeet, MI. Authority: 49 U.S.C. 106(f), 106(g); 40103, 40113, 40120; E.O. 10854, 24 FR 9565, 3 CFR, 1959–1963 Comp., p. 389. PO 00000 Frm 00010 Fmt 4700 Sfmt 4700 1. The authority citation for part 71 continues to read as follows: E:\FR\FM\01SER1.SGM 01SER1

Agencies

[Federal Register Volume 87, Number 169 (Thursday, September 1, 2022)]
[Rules and Regulations]
[Pages 53654-53656]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2022-18774]


-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2022-0290; Project Identifier AD-2021-01266-T; 
Amendment 39-22109; AD 2022-14-04]
RIN 2120-AA64


Airworthiness Directives; The Boeing Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for 
certain The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. 
This AD was prompted by a report from Boeing that Rolls-Royce 
Deutschland Ltd & Co KG (RRD) discovered a design issue in the engine 
fuel feed system, which could result in fuel flow restrictions to both 
engines when ice that has accumulated in the airplane fuel feed system 
suddenly releases into the engines. This AD requires revising the 
existing airplane flight manual (AFM) to update the limitations on 
minimum fuel temperatures. The FAA is issuing this AD to address the 
unsafe condition on these products.

DATES: This AD is effective October 6, 2022.

ADDRESSES: 

Examining the AD Docket

    You may examine the AD docket at www.regulations.gov by searching 
for and locating Docket No. FAA-2022-0290; 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, 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.

FOR FURTHER INFORMATION CONTACT: Tak Kobayashi, Aerospace Engineer, 
Propulsion Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des 
Moines, WA 98198; phone and fax: 206-231-3553; email: 
[email protected].

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 The Boeing 
Company Model 787-8, 787-9, and 787-10 airplanes. The NPRM published in 
the Federal Register on April 14, 2022 (87 FR 22158). The NPRM was 
prompted by a report from Boeing that RRD discovered a design issue in 
the engine fuel feed system, which could result in fuel flow 
restrictions to both engines when ice that has accumulated in the 
airplane fuel feed system suddenly releases into the engines. In the 
NPRM, the FAA proposed to require revising the existing AFM to update 
the limitations on minimum fuel temperatures. The FAA is issuing this 
AD to address possible fuel flow restrictions to both engines, which 
could result in loss of dual engine thrust control and reduced 
controllability of the airplane.

Discussion of Final Airworthiness Directive

Comments

    The FAA received no comments on the NPRM or on the determination of 
the cost to the public.

Conclusion

    The FAA reviewed the relevant data and determined that air safety 
requires adopting this AD as proposed. Except for minor editorial 
changes, this AD is adopted as proposed in the NPRM. None of the 
changes will increase the economic burden on any operator.

Interim Action

    The FAA considers this AD interim action. Boeing is currently 
working with RRD to develop updated electronic engine control (EEC) 
software, which will change the engine oil temperature amber line 
indicated in the engine indication and crew alerting system (EICAS). 
This change will ensure that, before takeoff, the engine oil 
temperature would be warm enough to operate the engine with cold fuel. 
The updated EEC software combined with the action required by this AD 
will address the unsafe condition identified in this AD. Once this 
software is developed, approved, and available, the FAA might consider 
additional rulemaking.

Costs of Compliance

    The FAA estimates that this AD affects 14 airplanes of U.S. 
registry. The FAA estimates the following costs to comply with this AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                     Cost per      Cost on U.S.
                Action                         Labor cost           Parts cost        product        operators
----------------------------------------------------------------------------------------------------------------
Revising the existing AFM.............  1 work-hour x $85 per                 $0             $85          $1,190
                                         hour = $85.
----------------------------------------------------------------------------------------------------------------

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

[[Page 53655]]

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:

2022-14-04 The Boeing Company: Amendment 39-22109; Docket No. FAA-
2022-0290; Project Identifier AD-2021-01266-T.

(a) Effective Date

    This airworthiness directive (AD) is effective October 6, 2022.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to The Boeing Company Model 787-8, 787-9, and 
787-10 airplanes, certificated in any category, with Rolls-Royce 
Deutschland Ltd & Co KG Model Trent 1000-A (including -A/01 and -A/
01A), Trent 1000-A2, Trent 1000-AE (including -AE/01A), Trent 1000-
AE2, Trent 1000-AE3, Trent 1000-C (including -C/01 and -C/01A), 
Trent 1000-C2, Trent 1000-CE (including -CE/01A), Trent 1000-CE2, 
Trent 1000-CE3, Trent 1000-D (including -D/01 and -D/01A), Trent 
1000-D2, Trent 1000-D3, Trent 1000-E (including -E/01 and -E/01A), 
Trent 1000-E2, Trent 1000-G (including -G/01 and -G/01A), Trent 
1000-G2, Trent 1000-G3, Trent 1000-H (including -H/01 and -H/01A), 
Trent 1000-H2, Trent 1000-H3, Trent 1000-J2, Trent 1000-J3, Trent 
1000-K2, Trent 1000-K3, Trent 1000-L2, Trent 1000-L3, Trent 1000-M3, 
Trent 1000-N3, Trent 1000-P3, Trent 1000-Q3, or Trent 1000-R3 
engines installed.

(d) Subject

    Air Transport Association (ATA) of America Code 28, Fuel.

(e) Unsafe Condition

    This AD was prompted by a report from Boeing that Rolls-Royce 
Deutschland Ltd & Co KG discovered a design issue in the engine fuel 
feed system, which could result in fuel flow restrictions to both 
engines when ice that has accumulated in the airplane fuel feed 
system suddenly releases into the engines. The sudden release of 
accumulated ice into the engine fuel feed system, in combination 
with low fuel temperatures, could cause freezing temperatures at the 
inlet of certain engine fuel feed system components. The FAA is 
issuing this AD to address possible fuel flow restrictions to both 
engines, which could result in loss of dual engine thrust control 
and reduced controllability of the airplane.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Airplane Flight Manual (AFM) Revision

    Within 30 days after the effective date of this AD, revise the 
existing AFM to incorporate the information specified in figure 1 to 
paragraph (g) of this AD into the ``Certificate Limitations'' 
chapter of the applicable Engine Appendix of the existing AFM.
[GRAPHIC] [TIFF OMITTED] TR01SE22.014

(h) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Seattle ACO 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 responsible Flight Standards 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 (i) of this AD. Information may be emailed 
to: [email protected].
    (2) Before using any approved AMOC, notify your appropriate 
principal inspector, or lacking a principal inspector, the manager 
of the responsible Flight Standards Office.
    (3) An AMOC that provides an acceptable level of safety may be 
used for any repair, modification, or alteration required by this AD 
if it is approved by The Boeing Company Organization Designation 
Authorization (ODA) that has been authorized by the

[[Page 53656]]

Manager, Seattle ACO Branch, FAA, to make those findings. To be 
approved, the repair method, modification deviation, or alteration 
deviation must meet the certification basis of the airplane, and the 
approval must specifically refer to this AD.

(i) Related Information

    For more information about this AD, contact Tak Kobayashi, 
Aerospace Engineer, Propulsion Section, FAA, Seattle ACO Branch, 
2200 South 216th St., Des Moines, WA 98198; phone and fax: 206-231-
3553; email: [email protected].

(j) Material Incorporated by Reference

    None.

    Issued on June 24, 2022.
Christina Underwood,
Acting Director, Compliance & Airworthiness Division, Aircraft 
Certification Service.
[FR Doc. 2022-18774 Filed 8-31-22; 8:45 am]
BILLING CODE 4910-13-P


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