AD 74-04-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-44D4 | Airworthiness Directives; CANADAIR Model CL-44D4 and CL-44J Airplanes |
| aircraft | Bombardier Inc. | CL-44J | Airworthiness Directives; CANADAIR Model CL-44D4 and CL-44J Airplanes |
Unsafe Condition
Cracks in the lugs of the rear spar attachment lower fitting, P/N 44-10149, of the main landing gear actuator.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the lower lugs of the main landing gear actuator rear spar attachment fitting (P/N 44-10149) for cracks using a dye penetrant method with at least 10-power magnification or an approved equivalent inspection within the next 100 landings after the effective date. Repeat inspections at intervals not exceeding 1,000 landings. If cracks are found, reduce inspection intervals per Canadair Service Information Circular No. 371-CL-44.
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Compliance Time
Within the next 100 landings after the effective date of this AD, unless accomplished within the last 900 landings, and at intervals thereafter not to exceed 1,000 landings
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Affected Aircraft
CANADAIR Model CL-44D4 and CL-44J airplanes which have experienced more than 7,000 landings.
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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