Airworthiness Directive

AD 95-12-23 60 FR 31241 Active

Federal Aviation Administration · 14 CFR part 39

FR document
95-14404
Amendment
39-9275
Published
1995-06-14
Effective
1995-07-30
Models covered
1
Last live check
2026-09-30
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AD

95-12-23

FR doc 95-14404 · 60 FR 31241

AD 95-12-23Published 1995-06-14Effective 1995-07-30

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 initially inspecting the wing structure for cracks, modifying any cracked wing structure, and, if not cracked, either repetitively inspecting or modifying the wing structure.

Full official abstract

This amendment adopts a new airworthiness directive (AD) that applies to certain Twin Commander Aircraft Corporation (Twin Commander) Models 690C and 695 airplanes. This action requires initially inspecting the wing structure for cracks, modifying any cracked wing structure, and, if not cracked, either repetitively inspecting or modifying the wing structure. Results of full-scale fatigue testing that indicated areas in the wing that are subject to fatigue cracks prompted this action. The actions specified by this AD are intended to prevent wing damage caused by fatigue cracking, which, if not detected and corrected, could progress to the point of structural failure.

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All Twin Commander (Aero Commander) directives

Applies to 1 model in our index