AD 2012-25-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Cracks on the forward face of the Rear Pressure Bulkhead (RPB) web have been discovered, indicating that existing inspection requirements are not adequate. Failure of the RPB could result in rapid decompression of the airplane.
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Required Actions
Revise the maintenance program to incorporate a revised task specified in Bombardier TR 2B-2187, dated June 22, 2011, which includes an improved non-destructive inspection procedure for detecting and correcting cracking in the RPB. Operators must also comply with the initial inspection intervals as specified in the revised maintenance program.
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Compliance Time
Within 4,360 flight cycles after the most recent special detailed inspection, or within 1,500 flight cycles after the most recent detailed inspection, whichever occurs later.
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Affected Aircraft
Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, including those previously covered by AD 2005-23-01, Amendment 39-14359, and additional airplanes as specified in the AD.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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