AD 2008-21-09

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), CL-600-2B16 (CL-601-3A, CL-601-3R, & CL-604 (Including CL-605 Marketing Variant)) Airplanes, and Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes

AD Number
2008-21-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2008-1096
FR Citation
73 FR 61336

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), CL-600-2B16 (CL-601-3A, CL-601-3R, & CL-604 (Including CL-605 Marketing Variant)) Airplanes, and Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes

Unsafe Condition

Reports of uncommanded roll during take-off resulting from even small amounts of frost, ice, snow, or slush on the wing leading edges or forward upper wing surfaces.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revise the airplane flight manuals (AFMs) to include a requirement for flightcrew training regarding enhanced take-off procedures and winter operations.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 12 months of the effective date (October 31, 2008).

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bombardier Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), CL-600-2B16 (CL-601-3A, CL-601-3R, and CL-604, including CL-605 Marketing Variant) airplanes, and Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes.

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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