AD 2010-20-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes; Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) Airplanes; Model CL-600-2D15 (Regional Jet Series 705) and Model CL-600-2D24 (Regional Jet Series 900) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes; Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) Airplanes; Model CL-600-2D15 (Regional Jet Series 705) and Model CL-600-2D24 (Regional Jet Series 900) Airplanes |
Unsafe Condition
Failure of balance washer screws due to metallographic non-conformity, leading to turbine imbalance and potential ADG structural failure, loss of electrical power, structural damage to the aircraft, and 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) for the presence of non-conforming balance washer screws. Replace the balance washer screws if required. Prohibit future installation of unmodified ADGs.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the applicable time in paragraph (g) or (h) of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440), Model CL-600-2C10 (Regional Jet Series 700, 701, & 702), Model CL-600-2D15 (Regional Jet Series 705), and Model CL-600-2D24 (Regional Jet Series 900) airplanes with Hamilton Sundstrand ADGs (Part Numbers in the 761339 series and 1711405).
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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