AD 2012-08-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Short circuit events during pre-delivery inspections and test flights, one of which resulted in smoke in the cockpit, were caused by low clearance between specific bus bars and the circuit breaker panel structure, improperly manufactured terminal lugs, and foreign object debris (FOD) in certain electrical panel locations.
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Required Actions
Replace or relocate specific CBP-1 bus bars, inspect for loose or improperly crimped lugs in CBP-1, CBP-2, CBP-3, CBP-4, JB17, and JB18, and remove any FOD found in affected areas. Replace loose or improperly crimped lugs as necessary.
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Compliance Time
Within 800 flight hours after the effective date of this AD
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Affected Aircraft
Bombardier, Inc. Model CL-600-2B16 (CL-604 Variant) airplanes, serial numbers 5701 through 5752 inclusive, 5754 through 5775 inclusive, 5777, 5779 through 5781 inclusive, 5783 through 5790 inclusive, 5792, 5794 through 5796 inclusive, 5798, 5801, and 5804.
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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