AD 67-32-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus Aircraft Limited | PC-6 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6-H1 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350-H1 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A-H1 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/B-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
Unsafe Condition
Stabilizer trim control cable clamps may jam with guide tubes at bulkhead No. 8, and excessive rubbing of rudder and stabilizer trim control cables with their fairleads and pulleys at bulkheads No. 2 and 11 may occur.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect guide tubes P/N 6232.208 for movement/wear every 50 hours' time in service. If wear detected, incorporate modification per SB 72. Inspect rudder cable fairlead and stabilizer trim cable pulley every 100 hours' time in service. Replace worn components within 25 hours' time. Modify guide tubes with support P/N 6232.468, replace pulley assemblies, and modify double pulley within specified intervals per SB 72/74.
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Compliance Time
Within the next 50/100/200/600 hours' time in service after the effective date (12/17/1967), depending on the requirement. Inspections must be repeated at intervals not exceeding 50/100 hours' time in service from last inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Model PC-6 Series Airplanes including all listed variants (PC-6, PC-6-H1, PC-6/350, etc.)
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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