Summary
The FAA is superseding Airworthiness Directive (AD) 2009-09- 02, which applied to certain Bombardier, Inc., Model DHC-8-400 series airplanes. AD 2009-09-02 required repetitive inspections for damage of certain main landing gear (MLG) forward stabilizer brace assemblies, repetitive inspections for cracking of both MLG forward stabilizer braces, liquid penetrant inspections for cracking, and corrective actions if necessary. This AD retains the existing actions and also requires installation of an elbow restrictor. This AD was prompted by reports of failures of the aft hinge of the MLG forward stabilizer brace due to fatigue cracks. The FAA is issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2019-0479
Document Number
2019-26232
Type
Rule
Publication Date
December 5, 2019
Effective Date
January 9, 2020
Affected Manufacturer
De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.)
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2019-0479
Topics
Official Documents
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