AD Amdt-39-9354

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 and -3R), and CL-600-2B19 (Regional Jet Series 100) Series Airplanes

AD Number
Amdt-39-9354
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 95-NM-18-AD
FR Citation
60 FR 50089

Applicability

TypeManufacturerModelDetails
aircraft Bombardier CL-600-1A11 Airworthiness Directives; Bombardier Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), CL-600-2B16 (CL-601-3A and -3R), and CL-600-2B19 (Regional Jet Series 100) Series Airplanes

Unsafe Condition

Cracking in the rudder control quadrant starting at the inside root radius of the spigot due to stress corrosion.

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

Required Actions

Conduct a follow-on inspection to detect cracks in the rudder control quadrant; modify any cracked quadrant; and eventually modify certain quadrants. Replace cracked quadrants with new assemblies and retorque castellated nuts as necessary.

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-600-1A11, CL-600-2A12, CL-600-2B16 (CL-601-3A and -3R), and CL-600-2B19 (Regional Jet Series 100) series airplanes, including added applicability as specified.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.