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Airworthiness directives › 2018-25-15

AD 2018-25-15 Airworthiness Directives; The Boeing Company Airplanes

2019-01-22
2018-12-17
39-19526
FAA-2018-0803
Airframe
—

Models named: 727, 727-100, 727-100C, 727-200, 727-200F, 727C 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 727, 727-100, 727-100C, 727-200, 727-200F, and 727C series airplanes, certificated in any category.

Compliance

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

Required actions

Except as required by paragraph (h) of this AD: At the applicable times specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 727-57A0188 RB, dated May 31, 2018, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 727-57A0188 RB, dated May 31, 2018. Note 1 to paragraph (g) of this AD: Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 727-57A0188, dated May 31, 2018, which is referred to in Boeing Alert Requirements Bulletin 727-57A0188 RB, dated May 31, 2018.

Unsafe condition

This AD was prompted by a report of cracking in the inboard lower flange and adjacent web near the forward attachment of the outboard flap track at position 8 on a Model 737-300 airplane. The flap tracks of Model 737-300 airplanes are similar to the flap tracks of Model 727 airplanes. We are issuing this AD to address the inability of a principal structural element to sustain required flight loads, which could result in loss of the outboard trailing edge flap and reduced controllability of the airplane.

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