AD 2011-25-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Learjet | Inc | Airworthiness Directives; Learjet Inc. Airplanes |
Unsafe Condition
Fatigue cracking of the end cap of the main landing gear (MLG) prior to the published life limitation, which could result in the failure of the MLG actuator upon landing, and failure of the MLG to extend or retract during flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the maintenance program to incorporate inspection reference number (IRN) T3220105 for the MLG actuator end cap (part number 200-0303), as specified in Learjet 40 or 45 Temporary Revisions. Replace the end cap before accumulating 2,387 total flight cycles or within 25 flight cycles after the AD's effective date, whichever is later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days after the effective date of the AD for maintenance program revision. Replacement of the end cap is due before 2,387 total flight cycles or within 25 flight cycles after the AD's effective date, whichever is later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Learjet Inc. Model 45 airplanes, all serial numbers, certificated in any category.
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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