AD 2009-10-05

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 and 440) Airplanes

AD Number
2009-10-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2009-0428
FR Citation
74 FR 22432

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 and 440) Airplanes
aircraft Aviat Various Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 and 440) Airplanes

Unsafe Condition

Pinion gears in Flap Actuators with part numbers 601R93101-21 and 601R93101-25 lack acceptable certificates of conformance, which could result in flap failure.

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

Required Actions

Inspect and replace non-conforming inboard flap actuators with part numbers 601R93101-21 and 601R93101-25.

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

Compliance Time

Before further flight

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

Affected Aircraft

Bombardier Model CL-600-2B19 (Regional Jet Series 100 and 440) airplanes, serial numbers 7003 and later, equipped with inboard flap actuators part numbers 601R93101-21 or 601R93101-25.

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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