AD 2010-20-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-2B16 (CL-604 Variants (Including CL-605 Marketing Variant)) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-2B16 (CL-604 Variants (Including CL-605 Marketing Variant)) Airplanes |
Unsafe Condition
Failure of balance washer screws due to a specific batch with a metallographic non-conformity, increasing susceptibility to brittle fracture. This can lead to loss of the balance washer, turbine imbalance, ADG structural failure (including blade failure), loss of ADG electrical power, structural damage to the aircraft, and potential loss of hydraulic power for flight controls.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the air-driven generators (ADGs) and replace the balance washer screws if non-conforming. Prohibit future installation of unmodified ADGs.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months of the effective date (November 1, 2010).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier, Inc. Model CL-600-2B16 (CL-604 Variant) airplanes, certificated in any category, with serial numbers 5408 and subsequent. Some airplanes may be marketed as CL-605.
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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