AD 99-19-39

final rule
Data completeness: 70%

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

AD Number
99-19-39
Status
final_rule
Effective Date
Product Category
aircraft
Docket
99-NM-92-AD
FR Citation
Federal Register: September 22, 1999 (Volume 64, Number 183)

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Inc. CL-600-2B19 (Regional Jet Series 100) Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) Series Airplanes

Unsafe Condition

Freezing of moisture entrapped in the fiberglass/foam insulation installed on the fuselage structure between the overwing exit door and the fuselage door frame and intercostal, which could interfere with the opening of the overwing emergency exit hatches during an emergency evacuation.

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

Required Actions

Remove the insulation blankets surrounding the emergency overwing exit hatches in accordance with Canadair Regional Jet Alert Service Bulletin S.B. A601R-25-152, Revision `A,' dated February 25, 1999. Compliance with an earlier service bulletin (S.B. A601R-25-152 dated December 26, 1998) is also acceptable.

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

Compliance Time

Within 100 flight hours or 30 days after the effective date of this AD, 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) serial numbers 7003 through 7067 inclusive, and 7069 through 7292 inclusive.

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

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