AD 2023-20-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | Various | Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier Inc.) Airplanes |
| aircraft | Bombardier | Inc | Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier Inc.) Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier Inc.) Airplanes |
Unsafe Condition
Exceeding the life limit could result in failure of the MLG retract actuator piston in flight, causing an undamped MLG free fall extension, which may result in MLG collapse on landing.
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Required Actions
Revising the existing maintenance or inspection program, as applicable, to incorporate a new life limit of 9,300 flight cycles for MLG retract actuator piston rod P/N 55615-1.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
MHI RJ Aviation ULC Model CL-600-2E25 (Regional Jet Series 1000) airplanes.
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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