Airworthiness Directive · Amendment 39-22700 · Fuselage
The Boeing Company Airplanes
This AD applies to The Boeing Company Model 757-200, -200CB, and -300 series airplanes, certificated in any category, as identified in Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022.
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 757-200, -200CB, and -300 series airplanes. This AD was prompted by a report of a crack at fuselage station (STA) 1640 frame web common to the lower hinge intercostal tee clip center hole of the upper fastener row. This AD requires a maintenance records check for existing repairs at STA 1640, repetitive ultrasonic (UT) inspections for cracking of the frame web, 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 757-53A0121 RB, dated September 28, 2022, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022.
Note 1 to paragraph (g): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 757-53A0121, dated September 28, 2022, which is referred to in Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022.
(1) Where the Compliance Time columns of the tables in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022, use the phrase “the original issue date of Requirements Bulletin 757-53A0121 RB,” this AD requires replacing those words with “the effective date of this AD.”
(2) Where Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022, specifies contacting Boeing for repair instructions or for alternative inspections: This AD requires doing the repair, or doing the alternative inspections and applicable on-condition actions using a method approved in accordance with the procedures specified in paragraph (i) of this AD.
(3) For airplanes modified in accordance with Aviation Partners Boeing (APB) Supplemental Type Certificate (STC) ST01518SE, with or without blended or scimitar blended winglets installed: This AD requires dividing the applicable compliance times and repeat intervals specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022, by a factor of two.
(4) For Group 1 airplanes identified in Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022, that have been converted from passenger to freighter configuration using VT MAE STC ST03562AT or ST03952AT and that have a long inner chord strap part number 146N8711-65 at the STA 1640 fuselage frame: The actions specified in paragraph (g) of this AD are not required.
(5) For Group 3 airplanes identified in Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022, that have been converted from passenger to freighter configuration using VT MAE STC ST03562AT: Do all applicable actions for Group 4, as identified in, and in accordance with, Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022, at the applicable times for Group 4 as specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 757-53A0121 RB, dated September 28, 2022.
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
