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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

2020-22-12

final rule

Airworthiness Directives; Polskie Zaklady Lotnicze Sp. z o.o Airplanes

Unsafe Condition: During maintenance on an M28 05 military version airplane, torn pieces of thermo-shrinkable tubes were found in the header section of the main fuel tank. These tubes are installed on electrical har...

Effective: Dec 8, 2020 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Polskie Zaklady Lotnicze Sp. z o.o Airplanes

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

2009-02-02

final rule

Airworthiness Directives; Polskie Zaklady Lotnicze Spolka zo.o Model PZL M26 01 Airplanes

Unsafe Condition: Significant chafing of the aileron control cable against the wing rib in the fuselage-to-wing area of transition and abnormal wearing of pulleys' gorges. Such damage can occur on control cables tra...

Effective: Feb 12, 2009 Category: aircraft Compliance: Before further flight, after the effective date of this AD.

Why matched: Airworthiness Directives; Polskie Zaklady Lotnicze Spolka zo.o Model PZL M26 01 Airplanes

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

2006-03-17 Recurring

final rule

Airworthiness Directives; Polskie Zaklady Lotnicze Spolka zo.o. Model PZL M26 01 Airplanes

Unsafe Condition: Cracks in fuselage frame No. XI, which could result in failure of this frame and the tail section of the airplane.

Effective: Feb 24, 2006 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Polskie Zaklady Lotnicze Spolka zo.o. Model PZL M26 01 Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure

2005-01-19

final rule

Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

Unsafe Condition: The GTX 33/33D/330/330D Mode S transponders may detect the S1 (suppression) interrogating pulse below the minimum trigger level (MTL) and, in some circumstances, not reply. This could lead to inacc...

Effective: Feb 23, 2005 Category: aircraft Compliance: Within 12 months of the effective date (February 23, 2005).

Why matched: Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

2000-18-12 Recurring

final rule

Airworthiness Directives; Polskie Zaklady Lotnicze Spolka zo.o. Models PZL M18, PZL M18A, and PZL M18B Airplanes

Unsafe Condition: Cracks in the lugs, corrosion in the main holes, and ovalization of the main holes in the centerwing-to-outboard wing attach joints could result in failure of the joints with consequent in-flight w...

Effective: Sep 27, 2000 Category: aircraft Compliance: Initial inspection: Upon accumulating 3,000 hours time-in-service (TIS) on the airplane or within...

Why matched: Airworthiness Directives; Polskie Zaklady Lotnicze Spolka zo.o. Models PZL M18, PZL M18A, and PZL M18B Airplanes

91-12-07

final rule

Airworthiness Directives; WYTWORNIA SPRZETU KOMUNEKACYJNEGO PZL-MIELEC Model M18 airplanes

Unsafe Condition: Failure of the electro-hydraulic control system that results in loss of flap and brake control.

Effective: Jul 5, 1991 Category: aircraft Compliance: Within 25 hours time-in-service after July 5, 1991 (for hose replacement) or within 100 hours tim...

Why matched: Airworthiness Directives; WYTWORNIA SPRZETU KOMUNEKACYJNEGO PZL-MIELEC Model M18 airplanes

90-20-03

final rule

Airworthiness Directives; Wytwornia Sprzetu Komunikacyjnego Pzl-Mielec Models M18 and M18A Series Airplanes

Unsafe Condition: Failure of the aileron control system due to cracks and deformation in the aileron hinges.

Effective: Oct 17, 1990 Category: aircraft Compliance: Within the next 50 hours time-in-service after October 17, 1990, and thereafter at intervals of 5...

Why matched: Airworthiness Directives; Wytwornia Sprzetu Komunikacyjnego Pzl-Mielec Models M18 and M18A Series Airplanes

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

90-20-04

final rule

Airworthiness Directives; Wytwornia Sprzetu Komunekacyjnego PZL-Mielec Models M18 and M18A Series Airplanes

Unsafe Condition: Failure of the engine push-pull cables and loss of engine control

Effective: Oct 17, 1990 Category: aircraft Compliance: within the next 100 hours time-in-service after the effective date of this AD

Why matched: Airworthiness Directives; Wytwornia Sprzetu Komunekacyjnego PZL-Mielec Models M18 and M18A Series Airplanes

90-17-15

final rule

Airworthiness Directives; Wytwornia Sprzetu Komunikacyjnego Pzl-Mielec Model M18 Series Airplanes

Unsafe Condition: Failure of the vertical fin and rib in the area of the upper rudder attachment.

Effective: Sep 17, 1990 Category: aircraft Compliance: Within the next 50 hours time-in-service after the effective date of this AD, unless already acco...

Why matched: Airworthiness Directives; Wytwornia Sprzetu Komunikacyjnego Pzl-Mielec Model M18 Series Airplanes

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

87-03-09

final rule

Airworthiness Directives; Wytwornia Model M18 Series Airplanes

Unsafe Condition: Loosening of the engine mount shock absorber nuts could lead to engine separation.

Effective: Mar 1, 1987 Category: aircraft Compliance: Within the next 100 hours time-in-service (TIS) unless already accomplished, with subsequent insp...

Why matched: Airworthiness Directives; Wytwornia Model M18 Series Airplanes

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

86-13-01

final rule

Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

Unsafe Condition: Cracks, deformation, or corrugation in the propeller pitch control system load carrying tube, propeller pitch control bracket, throttle control system torque tube, and engine mounting frame struts ...

Effective: Jul 19, 1986 Category: aircraft Compliance: Before the first flight of each day and within 50 hours time-in-service after the effective date ...

Why matched: Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

83-07-11

final rule

Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

Unsafe Condition: Brake failure which could result in an accident during landing or rollout

Effective: Apr 14, 1983 Category: aircraft Compliance: within the next 100 landings, unless already accomplished

Why matched: Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

83-07-02

final rule

Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

Unsafe Condition: Flutter and buffeting which could cause structural damage to the airplane

Effective: Apr 7, 1983 Category: aircraft Compliance: Within the next 50 hours time-in-service after the effective date of the AD

Why matched: Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

83-06-09

final rule

Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

Unsafe Condition: Inflight engine shutdown due to unmonitored fuel transfer between tanks, mechanical linkage interference in power controls, and possible head injury to pilot during hard landing.

Effective: Apr 4, 1983 Category: aircraft Compliance: Within the next 50 hours time-in-service after the effective date of this AD

Why matched: Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

83-06-07

final rule

Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

Unsafe Condition: Loss of primary flight control about the yaw axis due to cracks along the rudder skin trailing edge and in the upper hinge area.

Effective: Apr 4, 1983 Category: aircraft Compliance: Before further flight if cracks are found during the initial check. Initial inspection within 25 ...

Why matched: Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

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

83-07-19

final rule

Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

Unsafe Condition: Loss of primary flight control about the airplane roll axis due to failure of the aileron push rods connecting segment.

Category: aircraft Compliance: within the next 100 hours time-in-service after effective date of this AD, unless already accompl...

Why matched: Airworthiness Directives; Wytwornia Model PZL M18 Series Airplanes

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