AD 2011-17-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), Model CL-600-2D15 (Regional Jet Series 705), and Model CL-600-2D24 (Regional Jet Series 900) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), Model CL-600-2D15 (Regional Jet Series 705), and Model CL-600-2D24 (Regional Jet Series 900) Airplanes |
Unsafe Condition
Cracks in the joint extrusions securing the outer bondment to the acoustic panel of the nacelle transcowl assemblies. Thrust reverser deployment under rejected take-off or emergency landing load conditions could potentially result in acoustic panel failure and possible runway debris.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the outboard edge of the transcowl joint extrusion for evidence of cracking. Perform an eddy current or liquid penetrant inspection for cracking. Remove and replace affected joint extrusion areas with packers or contact Bombardier for repair instructions. Install new support channels for transcowl assembly reinforcement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702), serial numbers 10003 through 10265 inclusive; Model CL-600-2D15 (Regional Jet Series 705); and Model CL-600-2D24 (Regional Jet Series 900) airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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