AD 2013-05-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Jamming/malfunctioning of the left-hand engine thrust control mechanism, caused by an improperly stowed or dislodged upper core-cowl-door Hold Open Rod obstructing the Fuel Control Unit (FCU) actuating lever arm.
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Required Actions
Modify the left-hand engine upper core-cowl by installing a new bracket at the left-hand engine upper core-cowl-door location, in accordance with the applicable Bombardier Service Bulletin.
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Compliance Time
Within 36 months or 6,000 flight hours, whichever occurs first after the effective date of this AD.
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Affected Aircraft
Bombardier, Inc. Model CL-600-2A12 (CL-601) airplanes, serial numbers 3001 through 3066 inclusive, and Model CL-600-2B16 (CL-601-3A, CL-601-3R, and CL-604 Variants) airplanes, serial numbers 5001 through 5194 inclusive, 5301 through 5665 inclusive, and 5701 through 5884 inclusive.
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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