AD 2013-16-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Cracking in the lower longerons of the nacelle, which could result in degradation of the structural integrity of the nacelle and possible collapse of the main landing gear (MLG).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive inspections for cracking of the lower longerons in the nacelles, using a detailed visual inspection or bolt-hole eddy current (BHEC) test. Replace the longerons with new ones or repair them if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD.
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Affected Aircraft
Bombardier, Inc. Model DHC-8-102, -103, and -106 airplanes, serial numbers 003 through 287 inclusive, with pre-modification 8/1593 nacelle lower longeron installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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