Airworthiness Directive

AD 97-10-09 62 FR 25836 Active

Federal Aviation Administration · 14 CFR part 39

Requires repetitive detailed visual inspections to detect cracks on frame 179 at the attachment bracket for the door restraint cable, and various follow-on actions.

FR document
97-12044
Amendment
39-10021
Published
1997-05-12
Effective
1997-06-16
Models covered
1

Last live check: 2026-10-04

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AD

97-10-09

FR doc 97-12044 · 62 FR 25836

AD 97-10-09Published 1997-05-12Effective 1997-06-16

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires repetitive detailed visual inspections to detect cracks on frame 179 at the attachment bracket for the door restraint cable, and various follow-on actions.

Full official abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Jetstream Model 4101 airplanes, that requires repetitive detailed visual inspections to detect cracks on frame 179 at the attachment bracket for the door restraint cable, and various follow-on actions. This amendment also requires installation of new doublers and stress pads on frame 179, which would terminate the repetitive inspections. This amendment is prompted by reports of cracks in frame 179 of the fuselage at the attachment bracket for the door restraint cable on in-service airplanes due to improper rigging of the door restraint system. The actions specified by this AD are intended to prevent such cracking, which could result in structural failure of the fuselage and consequent rapid decompression of the pressurized section of the fuselage.

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Applies to 1 model in our index