AD 70-24-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 177 | Airworthiness Directives; CESSNA Model 177 Series Airplane |
| aircraft | Cessna Aircraft Company | 177A | Airworthiness Directives; CESSNA Model 177 Series Airplane |
| aircraft | Cessna Aircraft Company | 177B | Airworthiness Directives; CESSNA Model 177 Series Airplane |
Unsafe Condition
The fuel shut-off valve may not return to the full open position after being shut off due to bending of the flexible control wire between the firewall support and the shutoff valve.
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Required Actions
Inspect the fuel shutoff valve operation within 50 hours' time in service after the effective date and every 100 hours thereafter, or install a heavier control cable (P/N S2113-1) per Cessna Service Letter SE70-24. If bending prevents full opening, make necessary repairs or replace parts before further flight.
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Compliance Time
within 50 hours' time in service after the effective date of this AD and thereafter at intervals not to exceed 100 hours' time in service from the date of the last inspection
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Affected Aircraft
Cessna Model 177, 177A, 177B (Serial Numbers 17700001 thru 17701530)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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