AD 2021-20-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
cracking of the main landing gear (MLG) shock strut lower pin
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
repetitive lubrication and repetitive detailed visual inspections (DVI) and non-destructive test (NDT) inspections of the MLG shock strut lower pins, and replacement if necessary
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 200 flight hours or 12 months after the effective date of this AD
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Affected Aircraft
Bombardier, Inc., Model CL-600-2B16 (604 Variant) airplanes, serial numbers (S/N) 5301 through 5665 inclusive, 5701 through 5988 inclusive, and 6050 through 6999 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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