AD 61-23-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-44D4 | Airworthiness Directives; CANADAIR Model CL-44D4 Aircraft |
Unsafe Condition
Failure of the elevator tab tension rods, part number 28-90031, due to exceeding 450 hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace all eight elevator tab tension rods every 450 hours' time in service with Canadair-supplied or FAA-approved equivalent parts. For aircraft exceeding 450 hours' time in service by the AD's effective date, replacement must occur within the next 25 hours' time in service. If replacing and detuning per Canadair Service Bulletin No. CL44D4-201 Issue 2, the replacement interval increases to 10,000 hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours' time in service for aircraft exceeding 450 hours' time in service by the effective date; otherwise, replacement required every 450 hours' time in service.
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Affected Aircraft
Bombardier Inc. Model CL-44D4 aircraft, all serial numbers.
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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