AD 97-01-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 525 | Airworthiness Directives; Cessna Model 525 Airplanes |
Unsafe Condition
Loss of dry-film lubricant on the main landing gear (MLG) trunnion bearings causes roll pin failure, leading to MLG collapse.
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Required Actions
Inspect MLG trunnion pins for proper installation within 25 hours time-in-service after the effective date, and every 25 hours thereafter. Replace dry-film lubricated bearings with sealed and self-lubricating bearings either immediately if improper installation is found or within 75 hours TIS if not already replaced.
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Compliance Time
Within the next 25 hours time-in-service after the effective date, and thereafter within 25 hours TIS after the initial inspection. Replacement required within 75 hours TIS after the effective date if not already accomplished.
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Affected Aircraft
Cessna Model 525 airplanes (serial numbers 525-0001 through 525-0153), certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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