Airworthiness directives › 2015-08-01
AD 2015-08-01 Airworthiness Directives; The Boeing Company Airplanes
Models named: 757-200, -200PF, -200CB, -300 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 757-200, -200PF, -200CB, and -300 series airplanes; certificated in any category; as identified in Boeing Service Bulletin 757-27A0152, Revision 3, dated October 28, 2013, as revised by Boeing Service Bulletin 757-27A0152, Revision 4, dated August 26, 2014.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 60 months after the effective date of this AD, do the applicable actions specified in paragraph (g)(1), (g)(2), or (g)(3) of this AD. (1) For Configuration 1 airplanes defined in Boeing Service Bulletin 757-27A0152, Revision 3, dated October 28, 2013, as revised by Boeing Service Bulletin 757-27A0152, Revision 4, dated August 26, 2014: Install three bracket assemblies and three new relays, and make changes to the wire bundles, in accordance with the Accomplishment Instructions of Boeing Service Bulletin 757-27A0152, Revision 3, dated October 28, 2013, as revised by Boeing Service Bulletin 757-27A0152, Revision 4, dated August 26, 2014. (2) For Configuration 2 airplanes defined in Boeing Service Bulletin 757-27A0152, Revision 3, dated October 28, 2013, as revised by Boeing Service Bulletin 757-27A0152, Revision 4, dated August 26, 2014: Torque the bracket assembly nuts and ground stud nuts, do bond resistance tests to verify that bonding requirements are met, do a general visual inspection to ensure that the three new relays do not touch the adjacent wire bundles, and do all applicable related investigative and corrective actions, in accordance with the Accomplishment Instructions of Boeing Service Bulletin 757-27A0152, Revision 3, dated October 28, 2013, as revised by Boeing Service Bulletin 757-27A0152, Revision 4, dated August 26, 2014. Do all applicable related investigative and corrective actions before further flight. (3) For Configuration 3 airplanes defined in Boeing Service Bulletin 757-27A0152, Revision 3, dated October 28, 2013, as revised by Boeing Service Bulletin 757-27A0152, Revision 4, dated August 26, 2014: Do a general visual inspection to ensure that the three new relays do not touch the adjacent wire bundles, and do all applicable related investigative and corrective actions, in accordance with the Accomplishment Instructions of Boeing Service Bulletin 757-27A0152, Revision 3, dated October 28, 2013, as revised by Boeing Service Bulletin 757-27A0152, Revision 4, dated August 26, 2014. Do all applicable related investigative and corrective actions before further flight.
Unsafe condition
This AD was prompted by numerous reports of unintended lateral oscillations during the final approach, just before landing. We are issuing this AD to reduce the chance of unintended lateral oscillations near touchdown, which could result in loss of lateral control of the airplane, and consequent airplane damage or injury to flightcrew and passengers.
Affected ADs
None.
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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