AD 2011-22-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Model CL-215-1A10, CL-215-6B11 (CL-215T Variant), and CL-215-6B11 (CL-415 Variant) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Bombardier, Inc. Model CL-215-1A10, CL-215-6B11 (CL-215T Variant), and CL-215-6B11 (CL-415 Variant) Airplanes |
Unsafe Condition
Multiple cracks were reported on the Main Landing Gear (MLG) upper member forward lug, part numbers 160-714-3 (L/H) and 160-714-4 (R/H). An investigation determined the cause to be fatigue cracks at the base of the step radius with multiple initiation sites. The fatigue cracking may compromise the structural integrity of the MLG during takeoff or landing, leading to failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the Main Landing Gear (MLG) upper member forward lugs for cracks using eddy current and fluorescent penetrant inspections. Replace the forward lug of the MLG upper member with a new forward lug if any crack is found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance time specified in the AD (not provided in the source).
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Affected Aircraft
Bombardier, Inc. Model CL-215-1A10 airplanes, serial numbers 1051 through 1125 inclusive; Model CL-215-6B11 (CL-215T Variant) airplanes, serial numbers 1056 through 1125 inclusive; and Model CL-215-6B11 (CL-415 Variant) airplanes, serial numbers 2001 through 2990 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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