AD 73-07-07

final rule
Data completeness: 70%

Airworthiness Directives; CESSNA Models 310 and 320 Series Airplanes

AD Number
73-07-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within 25 hours' time in service after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Cessna Models 310 and 320 series airplanes except Models 310, 310A, 310B, and 310Q (Serial Numbers 310Q0710 and up)

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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