AD 2000-22-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Learjet | 45 | Airworthiness Directives; Learjet Model 45 Series Airplanes |
Unsafe Condition
Moisture contamination and subsequent ice formation in the nose landing gear squat switch assembly could result in bending or damaging of the assembly, driving the nose wheel to an uncommanded angle against the force of the steering system, potentially causing the airplane to depart from the runway at high speeds during landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Apply grease to the rotating disk assembly of the squat switch mechanism of the nose wheel within 30 days after the effective date of the AD. Repeat this application at intervals not to exceed 30 days.
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.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Learjet Model 45 series airplanes, serial numbers 45-001 through 45-114 inclusive, 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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