AD 99-09-52

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) and CL-600-2B16 (CL-601-3R and CL-604) Series Airplanes

AD Number
99-09-52
Status
final_rule
Effective Date
Product Category
aircraft
Docket
99-NM-99-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Inc. CL-600-2B16 (CL-601-3R) Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) and CL-600-2B16 (CL-601-3R and CL-604) Series Airplanes
aircraft Bombardier Inc. CL-600-2B16 (CL-604) Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) and CL-600-2B16 (CL-601-3R and CL-604) Series Airplanes
aircraft Bombardier Inc. CL-600-2B19 (Regional Jet Series 100) Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) and CL-600-2B16 (CL-601-3R and CL-604) Series Airplanes

Unsafe Condition

Chafing of the insulation covering on the integrated drive generator (IDG) cable harness and the main engine right fuel manifold could result in fuel leakage, which could contact live wiring and cause fire or explosion.

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

Required Actions

Conduct a one-time inspection of the right engine nacelle's IDG cable harness and adjacent structure to verify clearances and detect chafing. Perform a one-time inspection of both left and right engine nacelles to detect chafing and verify clearances of the 10th stage bleed air check valve and fuel manifold pigtails. Repair or replace discrepant parts as necessary.

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

Compliance Time

Within 50 flight hours or 7 days, whichever occurs first.

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 CL-600-2B16 (CL-601-3R and CL-604) series airplanes.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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