AD 77-15-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | CL-215-1A10 | Airworthiness Directives; CANADAIR MODEL CL-215-1A10 Airplanes |
Unsafe Condition
Incorrect engagement of the shoulders of input quadrant P/N 215-90252 in the outboard bearing assemblies P/N 215-90255 or 215-90291 could lead to elevator torque tube failure.
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Required Actions
Measure the dimensions between the face of the shoulder of the input quadrant and the face of the bearing inner race on both ends of the elevator torque tube. If the total exceeds 0.200 inches for aircraft 1001-1015, 1021-1030 with bearing P/N 215-90255, or 0.100 inches for aircraft 1016-1020, 1031-1040, 1046 with bearing P/N 215-90291, alter the assembly per Canadair Service Bulletin CL-215-201 or approved equivalent.
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Compliance Time
prior to U.S. Airworthiness Certification
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Affected Aircraft
Bombardier Inc. CL-215-1A10 airplanes, serial numbers 1001 thru 1040 and 1046, with specified bearings.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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