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2022-03-15

final rule

Airworthiness Directives; Various Airplanes

Unsafe Condition: The displayed fuel quantity can have an error as much as four gallons/fuel tank with the display indicating four gallons with an empty tank. In the context of this event, the end level effect is th...

Effective: Mar 21, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Various Airplanes

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

61-26-03

final rule

Airworthiness Directives; Piaggio Models P.136-L1 and P.136-L2 Aircraft

Unsafe Condition: Fuel and fuel vapor detected within the hull due to vent holes inside the hull, creating a fire and explosion hazard.

Effective: Jan 16, 1962 Category: aircraft Compliance: within the next 25 hours' time in service after the effective date of this AD

Why matched: Airworthiness Directives; Piaggio Models P.136-L1 and P.136-L2 Aircraft

60-23-03

final rule

Airworthiness Directives; Piaggio Model P.136-L2 Aircraft

Unsafe Condition: Hazardous quantities of oil flowing into the engine compartment in the event of a fire.

Effective: Dec 8, 1960 Category: aircraft Compliance: within 25 hours' time in service from the effective date of this directive

Why matched: Airworthiness Directives; Piaggio Model P.136-L2 Aircraft

59-23-01

final rule

Airworthiness Directives; Piaggio Models P.136-L1 and P.136-L2 Aircraft

Unsafe Condition: Water rudder cables may foul the bolt end and nuts that secure the microswitch to the water rudder retraction cylinder.

Category: aircraft Compliance: December 31, 1959

Why matched: Airworthiness Directives; Piaggio Models P.136-L1 and P.136-L2 Aircraft

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

59-22-01

final rule

Airworthiness Directives; Piaggio Model P.136-L2 Aircraft

Unsafe Condition: Condensed water vapor freezing and obstructing the oil tank breather lines for both right and left engines.

Category: aircraft Compliance: November 30, 1959

Why matched: Airworthiness Directives; Piaggio Model P.136-L2 Aircraft

58-17-04

final rule

Airworthiness Directives; Piaggio Models P.136-L1 and P.136-L2 Aircraft

Unsafe Condition: The water rudder inadvertently dropping into the extended position during water landings due to debris accumulation interfering with retraction.

Category: aircraft Compliance: December 1, 1958

Why matched: Airworthiness Directives; Piaggio Models P.136-L1 and P.136-L2 Aircraft

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls