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Airworthiness directives › 2017-26-10

AD 2017-26-10 Airworthiness Directives; The Boeing Company Airplanes

Superseded. This directive was replaced by AD 2021-05-11. Work to the current one.
2018-01-03
2017-12-29
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Airframe
2021-05-11

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 Alert Service Bulletin 757-27A0157, dated December 18, 2017.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

(1) For airplanes in Configuration 1 in Groups 1, 2, and 3, as defined in Boeing Alert Service Bulletin 757-27A0157, dated December 18, 2017: Within 90 days after the effective date of this AD, do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 757-27A0157, dated December 18, 2017. (2) For airplanes in Configuration 2 in Groups 1, 2, and 3, as defined in Boeing Alert Service Bulletin 757-27A0157, dated December 18, 2017: No work is required by this paragraph.

Unsafe condition

This AD was prompted by a report of a momentary uncommanded spoiler movement during flap configuration just before landing that occurred on an airplane on which the actions required by AD 2015-08-01 had been done. We are issuing this AD to prevent a failure condition that can cause an uncommanded spoiler movement resulting in loss of controllability of the airplane during the approach phase of flight.

Affected ADs

This AD replaces AD 2015-08-01, Amendment 39-18137 (80 FR 21645, April 20, 2015) (“AD 2015-08-01”).

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