AD 81-07-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vulcanair S.p.A. | P 68 | Airworthiness Directives; Partenavia Model P68 and P68B Series Airplanes |
| aircraft | Vulcanair S.p.A. | P 68B | Airworthiness Directives; Partenavia Model P68 and P68B Series Airplanes |
Unsafe Condition
Failure of the propeller pitch control system due to play between the ball joint, P/N 7.5021-3, and the joint end, P/N 7.5021-1.
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Required Actions
Inspect the propeller pitch control system for play between the specified parts within 25 hours time in service after the effective date or 50 hours since last inspection, whichever is later. If play is found, adjust the system or install a new joint end P/N 7.5021.1. Install Partenavia Kit P/N 68-005 to eliminate future inspections.
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Compliance Time
Within 25 hours time in service after the effective date of this AD, or within 50 hours time in service since the last inspection, whichever occurs later, and every 50 hours time in service thereafter.
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Affected Aircraft
Vulcanair S.p.A. Model P68 and P68B series airplanes, serial numbers 1 to 160 inclusive, with Woodward propeller governor installed but without ball joint end P/N 7.5077-1 on the pitch control flexible cable.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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