AD 91-11-14

final rule
Data completeness: 70%

Airworthiness Directives; PARTENAVIA COSTRUZIONI AERONAUTICHE Models P68C-TC airplanes (all serial numbers (S/N)), P68-OTC airplanes (S/N 344-01-OTC and 340-02-OTC), and P68C and P68 Observer airplanes (S/N 268 to 381), certificated in any category.

AD Number
91-11-14
Status
final_rule
Effective Date
Product Category
aircraft
Docket
91-CE-39-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Vulcanair S.p.A. P 68 Observer Airworthiness Directives; PARTENAVIA COSTRUZIONI AERONAUTICHE Models P68C-TC airplanes (all serial numbers (S/N)), P68-OTC airplanes (S/N 344-01-OTC and 340-02-OTC), and P68C and P68 Observer airplanes (S/N 268 to 381), certificated in any category.
aircraft Vulcanair S.p.A. P 68C Airworthiness Directives; PARTENAVIA COSTRUZIONI AERONAUTICHE Models P68C-TC airplanes (all serial numbers (S/N)), P68-OTC airplanes (S/N 344-01-OTC and 340-02-OTC), and P68C and P68 Observer airplanes (S/N 268 to 381), certificated in any category.
aircraft Vulcanair S.p.A. P 68C-TC Airworthiness Directives; PARTENAVIA COSTRUZIONI AERONAUTICHE Models P68C-TC airplanes (all serial numbers (S/N)), P68-OTC airplanes (S/N 344-01-OTC and 340-02-OTC), and P68C and P68 Observer airplanes (S/N 268 to 381), certificated in any category.

Unsafe Condition

Fuel leakage into the airplane cabin that could result in ignition and explosion of the airplane.

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

Required Actions

Remove fuel and Janitrol system lines in accordance with Partenavia Service Instructions No. 39 or 40, install applicable service kits, and replace light alloy line part number 7.6131-2 with P/N 7.6131C-2 as specified.

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

Compliance Time

Within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished.

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

Affected Aircraft

Models P68C-TC (all serial numbers), P68-OTC (S/N 344-01-OTC and 340-02-OTC), and P68C and P68 Observer (S/N 268 to 381), certificated in any category.

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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