Airworthiness directives › 2026-05-07
AD 2026-05-07 Airworthiness Directives; The Boeing Company Airplanes
Models named: 767-200, -300, -300F, -400ER series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 767-200, -300, -300F, and -400ER series airplanes, certificated in any category, as identified in Boeing Alert Requirements Bulletin 767-57A0148 RB, dated October 10, 2024.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified by paragraph (h) of this AD: At the applicable times specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 767-57A0148 RB, dated October 10, 2024, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 767-57A0148 RB, dated October 10, 2024. Note 1 to paragraph (g): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 767-57A0148, dated October 10, 2024, which is referred to in Boeing Alert Requirements Bulletin 767-57A0148 RB, dated October 10, 2024.
Unsafe condition
This AD was prompted by discovery of a crack at one of the underwing longeron (UWL) fitting forward fastener holes, outside of the inspection area of Boeing Alert Service Bulletin 767-57A0126, following replacement of a cracked UWL fitting. The FAA is issuing this AD to ensure that any crack in the forward lower fastener holes at the UWL fitting is found and repaired before reaching a critical length. Such cracking, if not addressed, could result in loss in the primary load path between the fuselage and the wing box, adversely affecting the structural integrity of the airplane.
Affected ADs
None.
Read the original on the Federal Register →
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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