AD 2011-09-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-2A12 (CL-601) and CL-600-2B16 (CL-601-3A, CL-601-3R, and CL-604 Variants) Airplanes |
Unsafe Condition
Wing Anti-icing system failures due to potential cracking of the wing anti-ice duct piccolo-tube and leading edge thermal switches malfunction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the wing anti-ice duct piccolo-tube and perform functional tests on the leading edge thermal switches. Complete tasks 30-11-00-101, 30-11-00-102, 36-21-00-101, and 57-10-00-208 as specified in the applicable manuals. Compliance with Bombardier Service Bulletin 601-0590 is required where applicable.
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Compliance Time
Within 240 or 320 flight hours after the effective date of this AD, depending on the model and serial number.
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Affected Aircraft
Bombardier Model CL-600-2A12 (CL-601) serial numbers 3001-3066 and CL-600-2B16 (CL-601-3A, CL-601-3R, CL-604 Variants) serial numbers 5001-5194, 5301-5665, and 5701 onwards, where applicable service bulletins have been accomplished.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
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