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18 results found (2006ms)

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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

2020-16-06 Recurring

final rule

Airworthiness Directives; Aviat Aircraft Inc.

Unsafe Condition: Failure of either the forward or rear support transfers loads to the other support, increasing the likelihood that both could fail, which has occurred in one known incident. A combined failure of b...

Effective: Sep 1, 2020 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Aviat Aircraft Inc.

2019-10-06

final rule

Airworthiness Directives; Aviat Aircraft Inc. Airplanes

Unsafe Condition: The fuel tank vent check valves are sticking in the closed position causing fuel starvation to the engine.

Effective: Jul 22, 2019 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Aviat Aircraft Inc. Airplanes

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

2006-12-07

final rule

Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

Unsafe Condition: Cracks in the cylinder assemblies and possible engine failure caused by separation of a cylinder head.

Effective: Jul 11, 2006 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

97-26-20

final rule

Airworthiness Directives; Aviat Aircraft Inc. Models S-2A, S-2B, and S-2S Airplanes (formerly Pitts Models S-2A, S-2B, and S-2S airplanes)

Unsafe Condition: Cracking in the upper longerons caused by operating the airplane outside of the certificated design limits, leading to subsequent failure of the longerons and consequent loss of control of the airp...

Effective: Jan 22, 1998 Category: aircraft Compliance: At the accumulation of 300 hours total time-in-service (TIS) or within the next 25 hours TIS afte...

Why matched: Airworthiness Directives; Aviat Aircraft Inc. Models S-2A, S-2B, and S-2S Airplanes (formerly Pitts Models S-2A, S-2B, and S-2S airplanes)

Amdt-39-10263 Recurring

final rule

Airworthiness Directives; Aviat Aircraft Inc. Models S-2A, S-2B, and S-2S Airplanes (formerly Pitts Models S-2A, S-2B, and S-2S airplanes)

Unsafe Condition: Cracking in the upper longerons caused by operating the airplane outside of the certificated design limits, leading to subsequent failure of the longerons and consequent loss of control of the airp...

Effective: Jan 22, 1998 Category: aircraft Compliance: Within 100 flight hours after the effective date of January 22, 1998.

Why matched: Airworthiness Directives; Aviat Aircraft Inc. Models S-2A, S-2B, and S-2S Airplanes (formerly Pitts Models S-2A, S-2B, and S-2S airplanes)

Amdt-39-9690

final rule

Airworthiness Directives; Aviat Aircraft Inc. Models S-2A, S-2B, and S-2S Airplanes (formerly Pitts Models S-2A, S-2B, and S-2S airplanes)

Unsafe Condition: Cracking and subsequent failure of the longerons aft of the rear cabane struts.

Effective: Jul 26, 1996 Category: aircraft

Why matched: Airworthiness Directives; Aviat Aircraft Inc. Models S-2A, S-2B, and S-2S Airplanes (formerly Pitts Models S-2A, S-2B, and S-2S airplanes)

96-10-12

final rule

Airworthiness Directives; Aviat Aircraft, Inc. Models S-1S, S-1T, S-2, S-2A, S-2S, and S-2B Airplanes (formerly known as Pitts Models S-1S, S-1T, S-2, S-2A, S-2S, and S-2B Airplanes)

Unsafe Condition: Fatigue cracking at the upper weld above the pivot bearing of the flight control stick with a wall thickness of .035 inch could result in inability to maneuver the airplane and subsequent loss of c...

Effective: Jun 7, 1996 Category: aircraft Compliance: Initially upon accumulating 1,000 hours time-in-service (TIS) or within the next 25 hours TIS aft...

Why matched: Airworthiness Directives; Aviat Aircraft, Inc. Models S-1S, S-1T, S-2, S-2A, S-2S, and S-2B Airplanes (formerly known as Pitts Models S-1S, S-1T, S-2, S-2A, S-2S, and S-2B Airplanes)

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

Amdt-39-9584

final rule

Airworthiness Directives; Aviat Aircraft Inc. Models S-2A, S-2B, and S-2S Airplanes (Formerly Pitts Models S-2A, S-2B, and S-2S Airplanes)

Unsafe Condition: Cracks in the longerons aft of the rear cabane struts due to fatigue.

Effective: May 20, 1996 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Aviat Aircraft Inc. Models S-2A, S-2B, and S-2S Airplanes (Formerly Pitts Models S-2A, S-2B, and S-2S Airplanes)

96-12-03 R2

final rule

Airworthiness Directives; Aviat Aircraft, Inc. Models S-1S, S-1T, S-2, S-2A, S-2S, and S-2B Airplanes

Unsafe Condition: Possible in-flight separation of the wing from the airplane caused by a cracked aft lower fuselage wing attach fitting.

Effective: Apr 3, 1996 Category: aircraft Compliance: Within 50 hours time-in-service after October 3, 1997, and thereafter at intervals not to exceed ...

Why matched: Airworthiness Directives; Aviat Aircraft, Inc. Models S-1S, S-1T, S-2, S-2A, S-2S, and S-2B Airplanes

91-23-02

final rule

Airworthiness Directives; AVIAT (formerly Christen Industries) Model A-1 Husky Series Airplanes

Unsafe Condition: Loss of airflow to the carburetor and possible loss of engine power, which could result in loss of control of the airplane.

Effective: Dec 10, 1991 Category: aircraft Compliance: within the next 50 hours time-in-service after the effective date of this AD

Why matched: Airworthiness Directives; AVIAT (formerly Christen Industries) Model A-1 Husky Series Airplanes

90-20-05

final rule

Airworthiness Directives; CHRISTEN INDUSTRIES, INC. Model A-1 (Husky) Series Airplanes

Unsafe Condition: Failure of the forward seat back, which could result in loss of control of the airplane.

Effective: Oct 15, 1990 Category: aircraft Compliance: Within the next 25 hours time-in-service (TIS) after the effective date of this AD, and thereafte...

Why matched: Airworthiness Directives; CHRISTEN INDUSTRIES, INC. Model A-1 (Husky) Series Airplanes

85-01-04

final rule

Airworthiness Directives; Pitts Model S-2A Series Airplanes

Unsafe Condition: Cracks in the welds attaching P/N 2-5100-12 stick housings to P/N 2-5100-11 tube in the cockpit control tube assembly could cause loss of normal aileron and elevator control.

Effective: Jan 21, 1985 Category: aircraft Compliance: within the next 25 hours time-in-service after the effective date of this AD, unless already acco...

Why matched: Airworthiness Directives; Pitts Model S-2A Series Airplanes

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

76-16-08

final rule

Airworthiness Directives; Pitts Model S-1S and S-2A Airplanes

Unsafe Condition: Partial loss of rudder control due to control cable slippage resulting from improper swaging of the Nicopress sleeves.

Effective: Aug 20, 1976 Category: aircraft Compliance: Within 10 hours' time in service after the effective date of this airworthiness directive or by S...

Why matched: Airworthiness Directives; Pitts Model S-1S and S-2A Airplanes

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

73-16-06

final rule

Airworthiness Directives; Pitts S-2A Airplanes

Unsafe Condition: Failure of the induction air box flapper door due to cracks in the welded areas could cause power loss.

Effective: Aug 13, 1973 Category: aircraft Compliance: Within the next 50 hours time in service after the effective date of this airworthiness directive

Why matched: Airworthiness Directives; Pitts S-2A Airplanes

73-07-06

final rule

Airworthiness Directives; Pitts Model S-2A Series Airplanes

Unsafe Condition: Cracks in the horizontal stabilizer support tubes (P/N 2-2123 and 2-2100-109) and front/rear tubes (P/N 2-3100) near AN3 bolt holes could lead to structural failure.

Effective: Apr 17, 1973 Category: aircraft Compliance: Within the next 5 hours time in service after the effective date of this AD

Why matched: Airworthiness Directives; Pitts Model S-2A Series Airplanes

72-19-05

final rule

Airworthiness Directives; Pitts Model S-2A Series Airplanes

Unsafe Condition: Failure of the horizontal stabilizer leading edge support tube due to cracks in the vicinity of the AN3 bolt holes.

Effective: Sep 20, 1972 Category: aircraft Compliance: within the next 10 hours time in service after the effective date of this AD

Why matched: Airworthiness Directives; Pitts Model S-2A Series Airplanes

72-19-02

final rule

Airworthiness Directives; Pitts Model S-2A Series Airplanes

Unsafe Condition: Excessive in-flight vibration of the aileron interconnect tubes, part number 2-5216-1, can cause structural damage.

Effective: Sep 15, 1972 Category: aircraft Compliance: within the next 10 hours time in service after the effective date of this AD

Why matched: Airworthiness Directives; Pitts Model S-2A Series Airplanes

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