AD 2009-24-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier Model CL-600-2C10 (Regional Jet Series 700 & 701) Airplanes and CL-600-2D24 (Regional Jet Series 900) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier Model CL-600-2C10 (Regional Jet Series 700 & 701) Airplanes and CL-600-2D24 (Regional Jet Series 900) Airplanes |
Unsafe Condition
Frost, snow, slush, or ice on the wing leading edges and upper wing surfaces may change the stall speeds, stall characteristics, and the protection provided by the stall protection system, which could result in reduced controllability of the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Limitations--Operating Limitations section of the applicable Aircraft Flight Manuals (AFMs) to include the information in the specified temporary revisions (TRs) for cold weather operations. These TRs introduce procedures to ensure that the wing leading edges and upper wing surfaces are free from frost, snow, slush, and ice.
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Compliance Time
Within 14 days after the effective date of this AD.
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Affected Aircraft
Bombardier Model CL-600-2C10 (Regional Jet Series 700 & 701) airplanes and CL-600-2D24 (Regional Jet Series 900) airplanes, certificated in any category.
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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