Airworthiness directives › 2020-20-10
AD 2020-20-10 Airworthiness Directives; The Boeing Company Airplanes
Models named: 757-200, -200CB, -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, and -300 series airplanes, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) For all airplanes except those identified in paragraphs (g)(2) through (6) of this AD: Except as specified by paragraph (h) of this AD, at the applicable times specified in paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 757-53A0108, Revision 1, dated July 17, 2019, do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 757-53A0108, Revision 1, dated July 17, 2019. (2) For airplanes on which Aviation Partners Boeing (APB) blended or scimitar blended winglets are installed using Supplemental Type Certificate (STC) ST01518SE: Except as specified by paragraph (h) of this AD, at the applicable times specified in paragraph 1.E., “Compliance,” of Aviation Partners Boeing Alert Service Bulletin AP757-53-001, Revision 2, dated October 22, 2019, do all applicable actions identified as “RC” in, and in accordance with, the Accomplishment Instructions of Aviation Partners Boeing Alert Service Bulletin AP757-53-001, Revision 2, dated October 22, 2019. (3) For Group 1 airplanes that have been converted from passenger to freighter configuration using VT Mobile Aerospace Engineering Inc. (VT MAE) STC ST03562AT or STC ST03952AT: Except as specified by paragraph (h) of this AD, at the applicable times specified for Group 2 airplanes in the “Compliance” paragraph of Boeing Alert Service Bulletin 757-53A0108, Revision 1, dated July 17, 2019, do all applicable Group 2 actions, as identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 757-53A0108, Revision 1, dated July 17, 2019. (4) For Group 4 airplanes that have been converted from a passenger to freighter configuration using VT MAE STC ST03562AT or VT MAE STC ST03952AT: Except as specified by paragraph (h) of this AD, at the applicable times specified for Group 5 airplanes in the “Compliance” paragraph of Boeing Alert Service Bulletin 757-53A0108, Revision 1, dated July 17, 2019, do all applicable Group 5 actions as identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 757-53A0108, Revision 1, dated July 17, 2019. (5) For Group 1 airplanes that have been converted from passenger to freighter configuration using VT MAE STC ST03562AT, and on which APB blended or scimitar blended winglets were installed using STC ST01518SE: Except as specified by paragraph (h) of this AD, before further flight, do all applicable actions using a method approved in accordance with the procedures specified in paragraph (i) of this AD. (6) For Group 1 airplanes that have been converted from passenger to freighter configuration using VT MAE STC ST03562AT and that have local frame replacements that do not include a reinforcement repair or repair splice member between stringers S-11 and S-16 as specified in FAA AMOC approval Letters 790-18-8737, 790-18-9637, 790-18-10097, 790-18-10177, and 790-20-10108: Do the actions required by paragraph (g)(3) of this AD; except where paragraph (g)(3) requires to do the applicable actions for Group 2, Configuration 2, CONDITION 3, specified in Boeing Alert Service Bulletin 757-53A0108, Revision 1, dated July 17, 2019, do the actions for Group 2, Configuration 2, CONDITION 4, and follow-on actions instead.
Unsafe condition
This AD was prompted by a report of fatigue cracking found in the fuselage frame at station (STA) 1640, which severed the inner chord and web. The FAA is issuing this AD to address cracking of the fuselage frame at STA 1640, which could result in reduced structural integrity of the airplane.
Affected ADs
This AD replaces AD 2018-06-07, Amendment 39-19227 (83 FR 13398, March 29, 2018) (“AD 2018-06-07”).
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