AD 98-05-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-215-6B11 (CL-215T Variant) | Airworthiness Directives; Bombardier Model CL-215-6B11 (CL-215T) Series Airplanes |
Unsafe Condition
Failures of the No. 5 engine bearing could cause oil leakage or reverse flow of air or oil into the intercompressor case (ICC), which could result in internal engine fire within the ICC.
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Required Actions
Replace the switching valve-to-rear inlet case sealing air tube assembly with a tube assembly that includes an integral ICC fire detector loop and modify the nacelle fire detection system; or modify the No. 5 bearing air system to minimize the risk of internal engine fire.
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Compliance Time
Within 30 days after the effective date of this AD
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Affected Aircraft
Bombardier Model CL-215-6B11 (CL-215T) series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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