AD 64-02-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-44D4 | Airworthiness Directives; CANADAIR Model CL-44D4 Aircraft |
Unsafe Condition
Binding of a sealed coupling due to rotation of an eccentrically bored nylatron bushing in an eccentrically bored housing P/N 44A53941-951.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect all 14 control system couplings P/N 44A53940 to determine if housing P/N 44A53941-951 is used. If present, replace with housing P/N 44A53941 without dash number per Service Bulletin 304 Rev B, rework the housing by reboring and reinstalling a nylatron bushing, or remove the bushing for interim operation with replacement/rework within 100 hours. Compliance required within 25 hours' time in service after AD effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 25 hours' time in service after the effective date of this AD
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Affected Aircraft
Bombardier Inc. Model CL-44D4 aircraft, all serial numbers, with control system couplings P/N 44A53940 using housing P/N 44A53941-951.
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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