AD 63-17-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | F-27 | Airworthiness Directives; Fairchild Model F-27 Series Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27A | Airworthiness Directives; Fairchild Model F-27 Series Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27B | Airworthiness Directives; Fairchild Model F-27 Series Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27F | Airworthiness Directives; Fairchild Model F-27 Series Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27G | Airworthiness Directives; Fairchild Model F-27 Series Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27J | Airworthiness Directives; Fairchild Model F-27 Series Aircraft |
| aircraft | Maryland Air Industries, Inc. | F-27M | Airworthiness Directives; Fairchild Model F-27 Series Aircraft |
Unsafe Condition
Failures of the mounting bolts, P/N's 244241 and 245804 in the nose gear pivot bracket due to cracks in the necked-down area where the shank meets the threads.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the 4 mounting bolts using dye penetrant methods with at least a 10-power magnifying lens. If cracks are found, replace cracked bolts with new ones or modify the steering actuator assembly per Service Bulletin No. 143. Discontinue inspections after modification.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 250 hours' time in service after the effective date of this AD and at intervals thereafter not to exceed 250 hours' time in service from the last inspection
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Affected Aircraft
Fairchild Model F-27 Series Aircraft with Walter Kidde Spur Gear Nose Wheel Steering Actuator Assembly, P/N 891800 (STC SA1-574)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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