AD 91-06-05

final rule
Data completeness: 70%

Airworthiness Directives; Canadair, Ltd.; Model CL-44D4 and CL-44J Series Airplanes

AD Number
91-06-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
90-NM-186-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

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

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.

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

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.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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