AD 58-10-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Swift Museum Foundation, Inc. | GC-1A | Airworthiness Directives; Universal Models GC-1A and GC-1B Aircraft |
| aircraft | Swift Museum Foundation, Inc. | GC-1B | Airworthiness Directives; Universal Models GC-1A and GC-1B Aircraft |
Unsafe Condition
Failure of the stop ring brazed to the inner piston strut, resulting in the piston sliding out of the strut and the torque knees assuming a straight position, which precludes gear retraction into the wheel well.
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Required Actions
Install a suitable external stop or equivalent means within 100 hours of operation. Examine the Adel strut assembly stop ring for looseness or separation at the braze, ensuring proper clearance (1/32 to 1/8 inch) between the stop and strut cylinder. Recheck clearance at each subsequent 100 hours of operation and disassemble strut to inspect internal stop ring if no clearance remains.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 100 hours of operation
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Affected Aircraft
Universal Models GC-1A and GC-1B Aircraft with Adel Precision Products Corporation Landing Gears with Forged Aluminum Torque Knees.
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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