AD 99-09-52
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-600-2B16 (CL-601-3R) | Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) and CL-600-2B16 (CL-601-3R and CL-604) Series Airplanes |
| aircraft | Bombardier Inc. | CL-600-2B16 (CL-604) | Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) and CL-600-2B16 (CL-601-3R and CL-604) Series Airplanes |
| aircraft | Bombardier Inc. | CL-600-2B19 (Regional Jet Series 100) | Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) and CL-600-2B16 (CL-601-3R and CL-604) Series Airplanes |
Unsafe Condition
Chafing of the insulation covering on the integrated drive generator (IDG) cable harness and the main engine right fuel manifold could result in fuel leakage, which could contact live wiring and cause fire or explosion.
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Required Actions
Conduct a one-time inspection of the right engine nacelle's IDG cable harness and adjacent structure to verify clearances and detect chafing. Perform a one-time inspection of both left and right engine nacelles to detect chafing and verify clearances of the 10th stage bleed air check valve and fuel manifold pigtails. Repair or replace discrepant parts as necessary.
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Compliance Time
Within 50 flight hours or 7 days, whichever occurs first.
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Affected Aircraft
Bombardier Model CL-600-2B19 (Regional Jet Series 100) and CL-600-2B16 (CL-601-3R and CL-604) series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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