AD 73-07-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 310C | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310D | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310E | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310F | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310G | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310H | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310I | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310J | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310J-1 | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
| aircraft | Cessna Aircraft Company | 310K | Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes |
Unsafe Condition
Corrosion, chafing, looseness, or other unserviceable conditions in fuel lines and electrical harnesses within the wing leading edges could lead to flammable fluid leaks and potential ignition sources.
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Required Actions
Inspect fuel lines and electrical harnesses for corrosion, chafing, looseness, or unserviceable conditions per Cessna Service Kit SK 310-90. Replace or repair unserviceable parts before further flight. Install leading edge drainage and sealant provisions, relocate and reinstall auxiliary fuel boost pump resistor and relay, and place amended 'Aircraft Fire Procedures Checklist' in the cockpit.
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Compliance Time
within 25 hours' time in service after the effective date of this AD
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Affected Aircraft
Cessna Models 310 and 320 series airplanes except Models 310, 310A, 310B, and 310Q (Serial Numbers 310Q0710 and up)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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