AD 63-16-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | American Navion Society, LTD. | D-16 | Airworthiness Directives; Universal Models Temco D-16 and D-16A Aircraft |
| aircraft | American Navion Society, LTD. | D-16A | Airworthiness Directives; Universal Models Temco D-16 and D-16A Aircraft |
Unsafe Condition
Cracks in flap and landing gear actuating cylinders, improper adjustment of hydraulic system pressure relief valve exceeding 1125 +25/-0 p.s.i., absence of hydraulic fluid restrictors in specified serial ranges, and improper linkage adjustments of landing gear bungee springs and flap stops.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect flap and landing gear actuating cylinders for cracks and replace if found. Adjust hydraulic system pressure relief valve to 1125 +25/-0 p.s.i. Install hydraulic fluid restrictors in nose gear lines (Serial Numbers 1271 and subsequent), main gear lines (Serial Numbers 1790 and subsequent), and flap lines (all serial numbers). Inspect and adjust landing gear bungee spring and flap stop linkages per service manuals.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 25 hours' time in service following the effective date of this AD and at each periodic inspection thereafter
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Universal Models Temco D-16 and D-16A aircraft manufactured by American Navion Society, LTD.
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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