Airworthiness directives › 2022-24-11
AD 2022-24-11 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 all The Boeing Company Model 787-8, 787-9, and 787-10 airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For airplanes with an original airworthiness certificate or original export certificate of airworthiness issued on or before the effective date of this AD: Except as specified by paragraph (h) of this AD, at the applicable time specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin B787-81205-SB260010-00 RB, Issue 001, dated May 2, 2022, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin B787-81205-SB260010-00 RB, Issue 001, dated May 2, 2022. Note 1 to paragraph (g): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin B787-81205-SB260010-00, Issue 001, dated May 2, 2022, which is referred to in Boeing Alert Requirements Bulletin B787-81205-SB260010-00 RB, Issue 001, dated May 2, 2022.
Unsafe condition
This AD was prompted by a report indicating that foreign object debris (FOD) could have been introduced during rework of certain engine fire shutoff switches (EFSSs). The FAA is issuing this AD to address FOD in an EFSS, which if not addressed, could result in a latent failure and loss of intended functions, including the inability to pull the engine fire handle and uncommanded activation of the engine fuel shutoff function. The inability to pull the engine fire handle when an engine fire is detected could lead to an uncontrolled engine fire and subsequent wing failure, and uncommanded activation of the fuel shutoff function for an engine, combined with in-flight shutdown of the remaining engine, could lead to total loss of engine thrust.
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