Airworthiness directives › 2025-20-04
AD 2025-20-04 Airworthiness Directives; The Boeing Company Airplanes
Models named: 757-200, -200CB, -200PF, -300 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all The Boeing Company Model 757-200, -200CB, -200PF, and -300 series airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of paragraph (g) of AD 2019-12-13, with revised service information. Except as specified by paragraph (h) of this AD: At the applicable times specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 757-27A0159 RB, Revision 1, dated April 29, 2020, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 757-27A0159 RB, dated March 29, 2019, or Boeing Alert Requirements Bulletin 757-27A0159 RB, Revision 1, dated April 29, 2020. As of the effective date of this AD, only use Boeing Alert Requirements Bulletin 757-27A0159 RB, Revision 1, dated April 29, 2020, for the actions required by this paragraph. Note 1 to paragraph (g): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 757-27A0159, dated March 29, 2019, which is referred to in Boeing Alert Requirements Bulletin 757-27A0159 RB, dated March 29, 2019. Note 2 to paragraph (g): Guidance for accomplishing the actions required by this AD can also be found in Boeing Alert Service Bulletin 757-27A0159, Revision 1, dated April 29, 2020, which is referred to in Boeing Alert Requirements Bulletin 757-27A0159 RB, Revision 1, dated April 29, 2020.
Unsafe condition
This AD was prompted by a report of the failure of the aileron trim actuator attachment lug. The FAA is issuing this AD to address failure of the aileron trim actuator attachment lug and subsequent loss of feel force, wheel centering, and lateral trim. The unsafe condition, if not corrected, could cause over-control of the airplane and subsequent lateral pilot-induced oscillations, which could adversely affect continued safe flight and landing.
Affected ADs
This AD replaces AD 2019-12-13, Amendment 39-19668 (84 FR 30577, June 27, 2019) (AD 2019-12-13).
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