AD 2019-08-04
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 on three CL-600-2B19 aeroplanes in-service. A failure of the RPB could result in loss of structural integrity of the aeroplane.
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Required Actions
Revising the airworthiness limitations section (AWL) of the instructions for continued airworthiness (ICA) of the maintenance requirements manual (MRM) by incorporating new procedures for repetitive inspections for cracking of the RPB. Mandating modification of the RPB and adding repetitive inspections for cracking of the RPB web, which terminates certain actions in this AD. Revising the maintenance or inspection program to incorporate a revised task. Performing an inspection to be carried out prior to modification of the RPB. Completing an additional modification to be completed on the RPB prior to terminating AWL task number 53-61-153.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier, Inc., Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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