Airworthiness directives › 2022-14-04
AD 2022-14-04 Airworthiness Directives; The Boeing Company Airplanes
Models named: 787-8, 787-9, 787-10. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
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.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
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. ER01SE22.014
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.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1