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Airworthiness Directive

AD 2017-05-11 82 FR 13385 Active

Federal Aviation Administration · 14 CFR part 39

Requires the actions in AD 2012-08-11, requires reorientation of the retraction actuator of the MLG, and removes airplanes from the applicability.

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FR document
2017-04514
Amendment
39-18822
Published
2017-03-13
Effective
2017-04-17
Models covered
1

Last live check: 2026-10-04

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AD

2017-05-11

FR doc 2017-04514 · 82 FR 13385

AD 2017-05-11Published 2017-03-13Effective 2017-04-17

Supersedes 2012-08-11

Supersedence is read from the Federal Register text of the newer AD — the FAA publishes no structured field for it — and names only ADs held in our index.

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 the actions in AD 2012-08-11, requires reorientation of the retraction actuator of the MLG, and removes airplanes from the applicability.

Full official abstract

We are superseding Airworthiness Directive (AD) 2012-08-11 for certain Bombardier, Inc. Model DHC-8-400 series airplanes. AD 2012-08- 11 required repetitive inspections for defects and damage of the retract port flexible hoses on the main landing gear (MLG) retraction actuators, and replacement if necessary. This AD continues to require the actions in AD 2012-08-11, requires reorientation of the retraction actuator of the MLG, and removes airplanes from the applicability. This AD was prompted by test results that showed that failure of a retract port flexible hose of a MLG retraction actuator could cause excessive hydraulic fluid leakage. We are issuing this AD to address the unsafe condition on these products.

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Applies to 1 model in our index