AD 2005-23-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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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.
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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.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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