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2026-17-08

final rule

Airworthiness Directives; Pratt & Whitney Division Engines

Unsafe Condition: Incorrect shot peening on high-pressure compressor (HPC) drum rotor disk assemblies.

Effective: Oct 8, 2026 Category: aircraft

Why matched: Airworthiness Directives; Pratt & Whitney Division Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-15-12

final rule

Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

Unsafe Condition: The emergency exit door could not be opened from inside the airplane.

Effective: Oct 2, 2026 Category: aircraft

Why matched: Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes

2026-17-05

final rule

Airworthiness Directives; Various Helicopters

Unsafe Condition: Rescue hoist assemblies may have non-conformant overload clutch assemblies.

Effective: Oct 2, 2026 Category: aircraft

Why matched: Airworthiness Directives; Various Helicopters

2026-17-07

final rule

Airworthiness Directives; Leonardo S.p.A. Helicopters

Unsafe Condition: The incorrect installation of the swashplate duplex bearing could lead to bearing failure and subsequent loss of main rotor control.

Effective: Oct 2, 2026 Category: aircraft

Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2026-17-06

final rule

Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines

Unsafe Condition: Premature failure of certain lubrication/scavenge pumps causing engine in-flight shut-downs (IFSDs).

Effective: Oct 2, 2026 Category: engine

Why matched: Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines

2026-17-01

final rule

Airworthiness Directives; Airbus SAS Airplanes

Unsafe Condition: Cracks in the forward and aft upper corner of the bulk cargo door due to fatigue.

Effective: Oct 1, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus SAS Airplanes

2026-17-02 Recurring

final rule

Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition: Shim gaps exceeding engineering allowances and high pull up forces on components may cause fatigue cracks at fastener holes in lower side of body splice plates, rear spar terminal fittings, lower c...

Effective: Oct 1, 2026 Category: aircraft

Why matched: Airworthiness Directives; The Boeing Company Airplanes

2026-17-04 Recurring

final rule

Airworthiness Directives; Airbus SAS Airplanes

Unsafe Condition: Failure of the main landing gear (MLG) door actuators could result in loss of MLG door function.

Effective: Oct 1, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus SAS Airplanes

Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

2026-17-03

final rule

Airworthiness Directives; International Aero Engines AG Engines

Unsafe Condition: Certain 3rd stage high pressure compressor (HPC) rotor blades were susceptible to shroud wear and blade failure.

Effective: Sep 24, 2026 Category: aircraft

Why matched: Airworthiness Directives; International Aero Engines AG Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-16-07

final rule

Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Sep 18, 2026 Category: aircraft

Why matched: Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes

2026-16-10 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: The unsafe condition involves excessive vibration levels on the tail rotor drive shaft, which could lead to failure of the tail rotor drive shaft, sliding flange, or equipped splined sleeve.

Effective: Sep 18, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2026-16-09

final rule

Airworthiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Sep 18, 2026 Category: aircraft

Why matched: Airworthiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Airplanes

2026-16-08 Recurring

final rule

Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines

Unsafe Condition: Cracking of the intermediate pressure (IP) compressor variable inlet guide vanes (VIGVs) due to high-cycle fatigue propagation.

Effective: Sep 18, 2026 Category: engine

Why matched: Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-17-09

final rule

Airworthiness Directives; Airbus SAS Airplanes

Unsafe Condition: Missing chamfers under the heads of critical fasteners on the primary structure of both pylons.

Effective: Sep 18, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus SAS Airplanes

2026-18-03 Recurring

final rule

Airworthiness Directives; Airbus SAS Airplanes

Unsafe Condition: Tool mark damage in the bore of the forward and aft lugs of the main landing gear (MLG) support rib 5 due to a quality escape in production assembly.

Effective: Sep 18, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus SAS Airplanes

Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

2026-18-01

final rule

Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Sep 18, 2026 Category: aircraft

Why matched: Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes

2026-16-06 Recurring

final rule

Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition: Fatigue cracking in the lower outboard wing skin at the inboard fastener of stringer L-9.5 and the lower outboard wing skin of stringer L-6.5 on airplanes with winglets installed per STC ST01920SE.

Effective: Sep 17, 2026 Category: aircraft

Why matched: Airworthiness Directives; The Boeing Company Airplanes

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

2026-16-04

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: The determination that new or more restrictive airworthiness limitations are necessary.

Effective: Sep 17, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-16-03 Recurring

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Cracks in the legs of the side supports of the tail rotor transmission fan.

Effective: Sep 17, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2026-16-05

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: Magnetization on the solenoid valves for the three main servo-controls, the regulator block, and the tail servo-control due to a diode not properly installed in the hydraulic circuit.

Effective: Sep 17, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters

2026-17-10

final rule

Airworthiness Directives; Lycoming Engines

Unsafe Condition: Piston pin failure resulting in metal particulate contamination in the engine oil and engine failure.

Effective: Sep 14, 2026 Category: engine

Why matched: Airworthiness Directives; Lycoming Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-17-51

final rule

Airworthiness Directives; Bell Textron Canada Limited Helicopters

Unsafe Condition: in-flight fatigue failure of a tail rotor pitch horn

Effective: Sep 14, 2026 Category: aircraft

Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2026-15-17 Recurring

final rule

Airworthiness Directives; Various Helicopters

Unsafe Condition: The main rotor shaft (MRS) on certain helicopter models requires a lower life limit due to a design re-evaluation showing potential cracking or overstress from repetitive external lift operations.

Effective: Sep 10, 2026 Category: aircraft

Why matched: Airworthiness Directives; Various Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2026-15-11

final rule

Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition: Cracks in the bear strap at the forward upper corner of the forward galley door cutout.

Effective: Sep 10, 2026 Category: aircraft

Why matched: Airworthiness Directives; The Boeing Company Airplanes

2026-16-01

final rule

Airworthiness Directives; Airbus Helicopters

Unsafe Condition: An incorrectly installed engine flange on the main gear box (MGB) engine coupling.

Effective: Sep 10, 2026 Category: engine

Why matched: Airworthiness Directives; Airbus Helicopters