AD 81-07-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Continental Motors | A-65-1 | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-12 | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-12F | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-12FJ | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-12J | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-14 | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-14F | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-14FJ | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-14J | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
| engine | Continental Motors | A-65-3 | TELEDYNE CONTINENTAL MOTORS Model A-65, A75, C75, C85, C90, A-100, C125, and O-200 Series Engines |
Unsafe Condition
Fuel starvation due to fuel flow restriction through the pump screen caused by contamination or corrosion of the fuel pump and screen.
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Required Actions
Remove safety wire and bolt from fuel pump top cover, discard fiber washer. Remove top cover and cork gasket. Remove and inspect fuel pump screen and pump for contamination or corrosion. Clean or replace damaged components with specified parts. Reinstall screen, cover with new gaskets, torque bolt, resafety wire, and record maintenance.
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Compliance Time
Within 30 days after the effective date (April 1, 1981) or within the next 25 hours time in service after the effective date, whichever occurs first, unless already accomplished within the last 12 months and at intervals not to exceed 12 months after the last inspection.
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Affected Aircraft
Teledyne Continental Motors models A-65, A75, C75, C85, C90, A-100, C125, and O-200 series engines with AC fuel pumps (TCM part numbers 40585, 40695, or 631391 installed).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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