AD 91-19-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-600-1A11 (CL-600) | Airworthiness Directives; CANADAIR, LTD Models CL-600-1A11, CL-600-2A12 and CL-600-2B16 Series Airplanes |
| aircraft | Bombardier Inc. | CL-600-2A12 (CL-601) | Airworthiness Directives; CANADAIR, LTD Models CL-600-1A11, CL-600-2A12 and CL-600-2B16 Series Airplanes |
| aircraft | Bombardier Inc. | CL-600-2B16 (CL-601-3A) | Airworthiness Directives; CANADAIR, LTD Models CL-600-1A11, CL-600-2A12 and CL-600-2B16 Series Airplanes |
| aircraft | Bombardier Inc. | CL-600-2B16 (CL-601-3R) | Airworthiness Directives; CANADAIR, LTD Models CL-600-1A11, CL-600-2A12 and CL-600-2B16 Series Airplanes |
| aircraft | Bombardier Inc. | CL-600-2B16 (CL-604) | Airworthiness Directives; CANADAIR, LTD Models CL-600-1A11, CL-600-2A12 and CL-600-2B16 Series Airplanes |
Unsafe Condition
Loss of emergency power to the essential bus when the air driven generator (ADG) is deployed due to chafing of the ADG wiring harness.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 25 hours time-in-service after the effective date, inspect the ADG wiring harness for chafing per applicable service bulletins. If chafing is found, repair prior to further flight. Within 60 days after the effective date, modify the ADG harness installation per the same service bulletins.
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Compliance Time
Within 25 hours time-in-service after the effective date of this AD, and within 60 days after the effective date of this AD.
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Affected Aircraft
Model CL-600-1A11 series airplanes, serial numbers 1004 through 1085; Model CL-600-2A12 series airplanes, serial numbers 3001 through 3066; and Model CL-600-2B16 series airplanes, serial numbers 5001 through 5098.
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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