AD 2005-23-01

Recurring final rule
Data completeness: 70%

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

AD Number
2005-23-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2005-22867
FR Citation
70 FR 69073

Applicability

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

Unsafe Condition

Fatigue cracking of the aft pressure bulkhead, which could result in reduced structural integrity and rapid decompression of the airplane.

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

Required Actions

Revise the Airworthiness Limitations section of the Instructions for Continued Airworthiness of the Canadair Regional Jet Maintenance Requirements Manual by incorporating new repetitive detailed and special detailed inspections for cracking of the aft pressure bulkhead, as specified in AWL Number 53-61-153 of Canadair Regional Jet Temporary Revision 2B-2109.

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

Compliance Time

Within 12 months of effective date

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Affected Aircraft

Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, certificated in any category, having serial numbers 7003 through 8025 inclusive, 8030 and 8034.

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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