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2026-14-03

final rule

Airworthiness Directives; General Electric Company Engines

Unsafe Condition: unsafe condition on these products.

Effective: Aug 21, 2026 Category: aircraft

Why matched: Airworthiness Directives; General Electric Company Engines

2026-14-06 Recurring

final rule

Airworthiness Directives; CFM International, S.A. Engines

Unsafe Condition: Accelerated high-pressure turbine (HPT) rotor stage 1 blade deterioration and airfoil distress in engines operating in the South Asia region.

Effective: Jul 27, 2026 Category: aircraft

Why matched: Airworthiness Directives; CFM International, S.A. Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-13-06 Recurring

final rule

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

Unsafe Condition: The main fuel hose assembly of the fuel manifold may exhibit softness, non-compliance, resistance, shrinkage, cracks, chafing, dents, kinks, necking, and degradation of the hose braid wire.

Effective: Jul 17, 2026 Category: engine

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

2026-13-09 Recurring

final rule

Airworthiness Directives; Pratt & Whitney Canada Corp. Engines

Unsafe Condition: Circumferential cracks at the turbine exhaust frame external surface caused by thermal stress from engine starts.

Effective: Jul 14, 2026 Category: engine

Why matched: Airworthiness Directives; Pratt & Whitney Canada Corp. Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-10-21 Recurring

final rule

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

Unsafe Condition: Cracking, damage, or air leakage wear in the intermediate-pressure stage 8 (IP8) and high-pressure stage 3 (HP3) air transfer tubes and front bearing housing IP8 air feed tubes.

Effective: Jul 9, 2026 Category: aircraft

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

2026-12-06 Recurring

final rule

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

Unsafe Condition: Axial cracks in the high-pressure turbine (HPT) blades could result in uncontained engine failure.

Effective: Jun 30, 2026 Category: aircraft Compliance: Before further flight

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

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-09-02 Recurring

final rule

Airworthiness Directives; Pratt & Whitney RTX Corporation (Type Certificate Previously Held by Pratt & Whitney Division United Technologies Corporation) Engines

Unsafe Condition: Separation of the high-pressure compressor (HPC) 7th-stage integrally bladed rotor (IBR-7) due to crack indications in the HPC 15th-stage disks, front turbine hubs, high pressure turbine (HPT) 1st-...

Effective: Jun 26, 2026 Category: engine

Why matched: Airworthiness Directives; Pratt & Whitney RTX Corporation (Type Certificate Previously Held by Pratt & Whitney Division United Technologies Corporation) Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-08-12

final rule

Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

Unsafe Condition: The unsafe condition involves the affected fuel control unit (FCU) potentially failing due to a manufacturing defect, which could result in engine power loss or shutdown.

Effective: Jun 2, 2026 Category: aircraft Compliance: before further flight

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

2026-07-06 Recurring

final rule

Airworthiness Directives; Pratt & Whitney Engines

Unsafe Condition: High-pressure compressor (HPC) 7th-stage integrally bladed rotor (IBR-7) separation resulting in engine shutdown and aborted takeoff.

Effective: May 29, 2026 Category: engine

Why matched: Airworthiness Directives; Pratt & Whitney Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-04-13 Recurring

final rule

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

Unsafe Condition: Fracture of the IP8 and HP3 air tubes could remain undetected for longer than assumed, leading to reduced efficiency of internal cooling and sealing flows, failure of the air tubes, damage to the e...

Effective: Apr 10, 2026 Category: aircraft Compliance: Within 30 days after the effective date of the AD.

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

2026-04-11 Recurring

final rule

Airworthiness Directives; Lycoming Engines

Unsafe Condition: Reports of connecting rod failures, which resulted in uncontained engine failure and in-flight shutdowns.

Effective: Apr 8, 2026 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Lycoming Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-04-02

final rule

Airworthiness Directives; BRP-Rotax GmbH & Co KG (Formerly BRP-POWERTRAIN GMBH & CO KG and Bombardier-Rotax GmbH) Engines

Unsafe Condition: an occurrence was reported of the M40 x 1.5 collar nut that had not been installed on the propeller gearbox of a recently manufactured engine, which could result in the propeller shaft being pulled...

Effective: Mar 19, 2026 Category: propeller Compliance: Before further flight

Why matched: Airworthiness Directives; BRP-Rotax GmbH & Co KG (Formerly BRP-POWERTRAIN GMBH & CO KG and Bombardier-Rotax GmbH) Engines

Technical illustration of an aircraft propeller assembly
Problem area Propeller

2026-04-09

final rule

Airworthiness Directives; General Electric Company Engines

Unsafe Condition: Fracture and subsequent uncontained release of certain HPC stage 5 blisks due to a nonconforming indication in a single forged ingot used to manufacture the affected parts.

Effective: Mar 11, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; General Electric Company Engines

2026-02-04 Recurring

final rule

Airworthiness Directives; CFM International, S.A. Engines

Unsafe Condition: Wear on the No. 3 bearing spring finger housing can lead to high levels of non-synchronous vibration (NSV), which could induce high-pressure compressor (HPC) stall.

Effective: Feb 26, 2026 Category: aircraft Compliance: Within 50 flight hours after the effective date of the AD.

Why matched: Airworthiness Directives; CFM International, S.A. Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2026-02-08

final rule

Airworthiness Directives; CFM International, S.A. Engines

Unsafe Condition: aborted takeoffs after engines did not advance to the desired takeoff fan speed due to icing in the pressure sensor line, which, if not addressed, could result in loss of engine thrust control and ...

Effective: Feb 25, 2026 Category: engine Compliance: At the next engine shop visit after the effective date of this AD

Why matched: Airworthiness Directives; CFM International, S.A. Engines

2025-26-04

final rule

Airworthiness Directives; International Aero Engines LLC Engines

Unsafe Condition: Fan blade fracture events, which can result in a fuel leak and uncontrolled engine fire, leading to damage to the airplane.

Effective: Feb 17, 2026 Category: engine Compliance: Within the time specified in the AD, which corresponds to the normal scheduled maintenance for mo...

Why matched: Airworthiness Directives; International Aero Engines LLC Engines

2025-25-07

final rule

Airworthiness Directives; General Electric Company Engines

Unsafe Condition: High-pressure turbine (HPT) stage 1 and HPT stage 2 disks manufactured from powder metal material suspected to contain iron inclusion, which may cause reduced material properties and a lower fatigu...

Effective: Feb 6, 2026 Category: aircraft Compliance: Within 12 months of effective date (February 6, 2026).

Why matched: Airworthiness Directives; General Electric Company Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2025-26-03 Recurring

final rule

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

Unsafe Condition: The manufacturer identified a possibility of release of an HPC mini-disc anti-rotation block into the HPC assembly stage 5 and 6 discs and at the HPC rear drum during an engine operation.

Effective: Jan 27, 2026 Category: engine Compliance: Before further flight

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

2025-21-03 Recurring

final rule

Airworthiness Directives; CFM International, S.A. Engines

Unsafe Condition: cracks in the high-pressure turbine (HPT) rotor stage 1 blades

Effective: Dec 29, 2025 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; CFM International, S.A. Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2025-23-10

final rule

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

Unsafe Condition: certain low-pressure compressor (LPC) fan blades are at risk of cracking due to incorrect dressing, which may have been performed on areas of low wall thickness and high localized internal stress l...

Effective: Dec 8, 2025 Category: aircraft Compliance: Within 30 days for most engines.

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

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2025-20-18

final rule

Airworthiness Directives; Continental Aerospace Technologies GmbH Engines

Unsafe Condition: Cracks in the cylinder heads can cause engine coolant to leak into the combustion chamber, leading to engine overheat and eventual failure or seizure.

Effective: Oct 30, 2025 Category: engine Compliance: Within 5 flight hours for engines with 50 flight hours or more since the last coolant replacement...

Why matched: Airworthiness Directives; Continental Aerospace Technologies GmbH Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2025-19-13

final rule

Airworthiness Directives; International Aero Engines AG Engines

Unsafe Condition: A quality escape following angled ultrasonic inspections performed on certain high-pressure turbine (HPT) 1st-stage hubs and HPT 2nd-stage hubs, which could result in an uncontained hub failure, re...

Effective: Oct 29, 2025 Category: aircraft Compliance: Within 100 flight cycles from the effective date of this AD, or at the next engine shop visit aft...

Why matched: Airworthiness Directives; International Aero Engines AG Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2025-18-08 Recurring

final rule

Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines

Unsafe Condition: Failure of the centrifugal compressor case.

Effective: Oct 21, 2025 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2025-17-16

final rule

Airworthiness Directives; International Aero Engines AG Engines

Unsafe Condition: Uncontained failure of a high-pressure turbine (HPT) 1st-stage hub that resulted in high-energy debris penetrating the engine cowling.

Effective: Oct 10, 2025 Category: engine Compliance: Within 12 months of the effective date (October 10, 2025).

Why matched: Airworthiness Directives; International Aero Engines AG Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2025-14-08

final rule

Airworthiness Directives; CFM International, S.A. Engines

Unsafe Condition: fracture and subsequent uncontained failure of certain HPT rotor stage 1 disks and a certain compressor rotor stages 6-10 spool due to material properties reduced by iron inclusion

Effective: Aug 25, 2025 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; CFM International, S.A. Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine