AD 91-06-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-44D4 | Airworthiness Directives; Canadair, Ltd.; Model CL-44D4 and CL-44J Series Airplanes |
| aircraft | Bombardier Inc. | CL-44J | Airworthiness Directives; Canadair, Ltd.; Model CL-44D4 and CL-44J Series Airplanes |
Unsafe Condition
Cracks in significant structural items as defined in Canadair Document RBD-44-100 could compromise the structural integrity of the airplane.
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Required Actions
Revise the FAA-approved maintenance inspection program to include supplemental inspections, replacements, and overhauls per Canadair Document RBD-44-100, Revision B. Report detected cracks to Canadair. Repair or replace cracked structure before further flight as per the same document.
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Compliance Time
Within six months after the effective date of this AD
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Affected Aircraft
Canadair, Ltd. Model CL-44D4 and CL-44J series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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