AD 48-08-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sierra Hotel Aero, Inc. | Navion (Army L-17A) | Airworthiness Directives; Navion Serial Numbers NAV-4-2 Through NAV-4-1110 |
Unsafe Condition
The fuel shutoff valve flexible control may buckle or misalign due to insufficient support, leading to inadequate valve opening when the control knob is pushed to the full 'ON' position.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the fuel shutoff valve flexible control support and add an additional support clip adjacent to the present clip at the valve end. Ensure proper rigging with valve detents and remove excess wire from the valve end to prevent snagging.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
as soon as possible but not later than April 1, 1948
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Affected Aircraft
Sierra Hotel Aero, Inc. Navion (Army L-17A) serial numbers NAV-4-2 through NAV-4-1110
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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