AD 2004-26-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier Model CL-215-6B11 (CL215T Variant) and CL-215-6B11 (CL415 Variant) Series Airplanes |
Unsafe Condition
External oil leaks from the oil pump of the power control unit due to a malfunction of the pressure regulating valve, which could result in fracturing of the pump body, loss of engine oil, and inability to maintain engine oil pressure and feather the propeller.
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Required Actions
Replace the mounting pad studs of the auxiliary feather pump with new, longer studs, and install a pressure relief valve, in accordance with Bombardier Service Bulletin 215-3108 (for CL215T variant) or 215-4234 (for CL415 variant).
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Compliance Time
Within 12 months after the effective date of this AD (February 9, 2005).
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Affected Aircraft
Bombardier Model CL-215-6B11 (CL215T variant) series airplanes, serial numbers 1056 through 1125 inclusive, and Model CL-215-6B11 (CL415 variant) series airplanes, serial numbers 2001 through 2053 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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