Airworthiness Directive · Amendment 39-23189 · Fuselage
The Boeing Company Airplanes
This AD applies to The Boeing Company Model 787-9 and 787-10 airplanes, certificated in any category, as identified in Boeing Alert Requirements Bulletin B787-81205-SB530091-00 RB, Issue 001, dated February 7, 2025.
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 787-9 and 787-10 airplanes. This AD was prompted by reports of multiple supplier notices of escapement (NOEs) documenting pressure deck splice fittings that were possibly manufactured with an incorrect titanium alloy material. This AD requires an inspection of the attach fittings and upper splice fitting of the stub beam horizontal pressure deck (HPD) to determine the type of titanium alloy material and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
Except as specified by paragraph (h) of this AD: At the applicable times specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin B787-81205-SB530091-00 RB, Issue 001, dated February 7, 2025, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin B787-81205-SB530091-00 RB, Issue 001, dated February 7, 2025.
Note 1 to paragraph (g): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin B787-81205-SB530091-00, Issue 001, dated February 7, 2025, which is referred to in Boeing Alert Requirements Bulletin B787-81205-SB530091-00 RB, Issue 001, dated February 7, 2025.
(1) Where the Compliance Time columns of the tables in the “Compliance” paragraph of Boeing Alert Requirements Bulletin B787-81205-SB530091-00 RB, Issue 001, dated February 7, 2025, refer to the Issue 001 date of Requirements Bulletin B787-81205-SB530091 RB, this AD requires using the effective date of this AD.
(2) Where Boeing Alert Requirements Bulletin B787-81205-SB530091-00 RB, Issue 001, dated February 7, 2025, specifies contacting Boeing for repair instructions and certain installation instructions: This AD requires doing the repair or installation using a method approved in accordance with the procedures specified in paragraph (i) of this AD.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft
