Airworthiness Directive

AD 99-19-37 64 FR 51195 Active

Federal Aviation Administration · 14 CFR part 39

FR document
99-24151
Amendment
39-11324
Published
1999-09-22
Effective
1999-10-27
Models covered
1
Last live check
2026-10-03
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AD

99-19-37

FR doc 99-24151 · 64 FR 51195

AD 99-19-37Published 1999-09-22Effective 1999-10-27

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 replacement of the main landing gear (MLG) uplock actuator on both the left and right MLG with a new redesigned uplock assembly.

Full official abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Bombardier Model DHC-8-100 and -300 series airplanes, that requires replacement of the main landing gear (MLG) uplock actuator on both the left and right MLG with a new redesigned uplock assembly. This amendment is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to prevent failure of the MLG to extend when a ``gear down'' selection is made.

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Applies to 1 model in our index