Engine Airworthiness Directives

2502 ADs indexed for Engine aircraft.

Models

Alliance Turbofan 21 ADs Various 12 ADs Various 4 ADs 24R46 4 ADs 24R46S 4 ADs 24W-46 4 ADs 24W-46S 4 ADs TAE 125-02-99 and TAE 125-02-114 reciprocating engines 3 ADs M601D-11 3 ADs A-65-1 2 ADs A-65-12 2 ADs A-65-12F 2 ADs A-65-12FJ 2 ADs A-65-12J 2 ADs A-65-14 2 ADs A-65-14F 2 ADs A-65-14FJ 2 ADs A-65-14J 2 ADs A-65-3 2 ADs 24R46A (Army UC-61K) 2 ADs 24W-41A (Army UC-61A) 2 ADs AEIO-320-E1B 2 ADs AEIO-320-E2B 2 ADs F.260 1 AD F.260B 1 AD F.260C 1 AD F.260D 1 AD F.260E 1 AD F.260F 1 AD S.205 - 18/F 1 AD S.205 - 18/R 1 AD S.205 - 20/F 1 AD S.205 - 20/R 1 AD AEIO-320-D1B 1 AD AEIO-320-D2B 1 AD AEIO-320-E1A 1 AD AEIO-320-E1B 1 AD AEIO-320-E2A 1 AD AEIO-320-E2B 1 AD AEIO-360-B1B 1 AD AEIO-360-B1D 1 AD AEIO-360-B1F 1 AD AEIO-360-B1F6 1 AD AS-365N3 1 AD AS332L 1 AD AS332L1 1 AD AS332L2 1 AD AS350B2 1 AD AS350B3 1 AD EC135P1 1 AD EC135P2 1 AD EC135P2+ 1 AD EC225LP 1 AD AS-365N2 1 AD AS-365N3 1 AD AS332C 1 AD AS332C1 1 AD AS332L 1 AD AS332L1 1 AD AS332L2 1 AD EC 155B 1 AD EC155B1 1 AD EC225LP 1 AD A319-111 1 AD A319-112 1 AD A319-113 1 AD A319-114 1 AD A319-115 1 AD A319-131 1 AD A319-132 1 AD A319-133 1 AD A319-151N 1 AD A319-153N 1 AD A300 B2-1A 1 AD A300 B2-1C 1 AD A300 B2-203 1 AD A300 B2K-3C 1 AD A300 B4-103 1 AD A300 B4-203 1 AD A300 B4-2C 1 AD A300 B4-601 1 AD A300 B4-603 1 AD A300 B4-605R 1 AD 7GCAA 1 AD A36 1 AD DA 40 1 AD Propeller governors 1 AD SW205 (UH-1H) 1 AD UH-1H 1 AD Various 1 AD 204B 1 AD 205A 1 AD 205A-1 1 AD 205B 1 AD 209/AH-1G 1 AD 210 1 AD 212 1 AD AH-1S 1 AD HH-1K 1 AD SW204 (UH-1B) 1 AD SW204HP (UH-1B) 1 AD SW205 (UH-1H) 1 AD SW205A-1 1 AD TH-1F 1 AD TH-1L 1 AD UH-1A 1 AD UH-1B 1 AD UH-1E 1 AD UH-1F 1 AD UH-1H 1 AD UH-1L 1 AD UH-1P 1 AD 204B 1 AD 205A 1 AD 205A-1 1 AD 205B 1 AD 210 1 AD 212 1 AD 214B 1 AD 214B-1 1 AD 412 1 AD 412CF 1 AD 412EP 1 AD AB412 1 AD AB412 EP 1 AD HH-1K 1 AD SW204 (UH-1B) 1 AD SW204HP (UH-1B) 1 AD SW205 (UH-1H) 1 AD TH-1F 1 AD TH-1L 1 AD UH-1A 1 AD UH-1B 1 AD UH-1E 1 AD UH-1F 1 AD UH-1H 1 AD UH-1L 1 AD UH-1P 1 AD 204B 1 AD 205A 1 AD 205A-1 1 AD 205B 1 AD 210 1 AD 212 1 AD 412 1 AD 412CF 1 AD 412EP 1 AD HH-1K 1 AD SW204 (UH-1B) 1 AD SW204HP (UH-1B) 1 AD SW205 (UH-1H) 1 AD SW205A-1 1 AD TH-1F 1 AD TH-1L 1 AD UH-1A 1 AD UH-1B 1 AD UH-1E 1 AD UH-1F 1 AD UH-1H 1 AD UH-1L 1 AD UH-1P 1 AD 204B 1 AD 205A 1 AD 205A-1 1 AD SW205 (UH-1H) 1 AD SW205A-1 1 AD TH-1F 1 AD TH-1L 1 AD UH-1A 1 AD UH-1B 1 AD UH-1E 1 AD UH-1F 1 AD UH-1H 1 AD UH-1L 1 AD UH-1P 1 AD LTIO-540-J2BD 1 AD Magnetos 1 AD TIO-540-J2BD 1 AD AIO-320-A1A 1 AD AIO-320-A1B 1 AD AIO-320-A2A 1 AD AIO-320-A2B 1 AD AIO-320-B1B 1 AD AIO-320-C1B 1 AD AIO-360-A1A 1 AD AIO-360-A1B 1 AD AIO-360-A2A 1 AD Fuel Injectors 1 AD IO-720-B1BD 1 AD IO-720-D1CD 1 AD Magnetos 1 AD TIO-540-F2BD 1 AD TIO-540-N2BD 1 AD TIO-540-R2AD 1 AD TH-1F 1 AD UH-1B 1 AD UH-1F 1 AD UH-1H 1 AD UH-1P 1 AD TH-1F 1 AD UH-1B 1 AD UH-1F 1 AD UH-1H 1 AD UH-1P 1 AD HH-1K 1 AD SW204 (UH-1B) 1 AD SW204HP (UH-1B) 1 AD SW205 (UH-1H) 1 AD TH-1F 1 AD TH-1L 1 AD UH-1A 1 AD UH-1B 1 AD UH-1E 1 AD UH-1F 1 AD UH-1H 1 AD UH-1L 1 AD UH-1P 1 AD T206H 1 AD T207A 1 AD T210F 1 AD T210G 1 AD T210H 1 AD T210J 1 AD T210K 1 AD T210L 1 AD T210M 1 AD T210N 1 AD O-470-11 1 AD O-470-11-CI 1 AD O-470-11B 1 AD O-470-11B-CI 1 AD O-470-13 1 AD O-470-13A 1 AD O-470-15 1 AD O-470-2 1 AD O-470-4 1 AD O-470-A 1 AD GTSIO-520-L 1 AD GTSIO-520-M 1 AD GTSIO-520-N 1 AD LTIO-540-J2B 1 AD TSIO-520-AF 1 AD TSIO-520-CE 1 AD TSIO-520-P 1 AD TSIOL-550-A 1 AD TSIOL-550-C 1 AD Turbochargers 1 AD A-65-1 1 AD A-65-12 1 AD A-65-12F 1 AD A-65-12FJ 1 AD A-65-12J 1 AD A-65-14 1 AD A-65-14F 1 AD A-65-14FJ 1 AD A-65-14J 1 AD A-65-3 1 AD GO-300-A 1 AD GO-300-B 1 AD GO-300-C 1 AD GO-300-D 1 AD GO-300-E 1 AD GO-300-F 1 AD O-470-11 1 AD O-470-11-CI 1 AD O-470-11B 1 AD O-470-11B-CI 1 AD 2A4-45-B2 1 AD 2A4-49-B2 1 AD 4AC-150 1 AD 4AC-176 Series 1 AD 4AC-199B2 1 AD 4AC-199B3 1 AD 4AC-199D2 1 AD 4AC-199D3 1 AD 4AC-199E2 1 AD Magnetos 1 AD Alliance 1 AD AEIO-360-B1B 1 AD AEIO-360-B1D 1 AD AEIO-360-B1F 1 AD AEIO-360-B1F6 1 AD AEIO-360-B1G6 1 AD AEIO-360-B2F 1 AD AEIO-360-B2F6 1 AD AEIO-360-B4A 1 AD AEIO-360-H1A 1 AD Reciprocating Engine Connecting Rods 1 AD AEIO-320-D1B 1 AD AEIO-320-D2B 1 AD AEIO-320-E1A 1 AD AEIO-320-E1B 1 AD AEIO-320-E2A 1 AD AEIO-320-E2B 1 AD AEIO-360-B1B 1 AD AEIO-360-B1D 1 AD AEIO-360-B1F 1 AD Reciprocating Engine Cylinder Assemblies 1 AD 24R40 (Army UC-86) 1 AD 24R40S 1 AD 24R9 (Army UC-61C) 1 AD 24R9S 1 AD 24W-40 (Army UC-61G) 1 AD 24W-40S 1 AD 24W-41 (Army UC-61) 1 AD 24W-41AS 1 AD 24W-41S 1 AD 24W-9 (Army UC-61F) 1 AD 24W-9S 1 AD PC-203 1 AD PX-203 1 AD PY-203 1 AD Auxiliary Power Units 1 AD HH-1K 1 AD TH-1F 1 AD TH-1L 1 AD UH-1A 1 AD UH-1B 1 AD UH-1E 1 AD UH-1F 1 AD UH-1H 1 AD UH-1L 1 AD UH-1P 1 AD HH-1K 1 AD TH-1F 1 AD TH-1L 1 AD UH-1A 1 AD UH-1B 1 AD UH-1E 1 AD UH-1F 1 AD UH-1H 1 AD UH-1L 1 AD UH-1P 1 AD IO-540-K1A5 1 AD IO-540-K1B5 1 AD IO-540-K1G5 1 AD O-540-B2B5 1 AD O-540-B2C5 1 AD O-540-E4B5 1 AD O-540-E4C5 1 AD O-540-G1A5 1 AD O-540-G2A5 1 AD Carburetors 1 AD O-235-C1C 1 AD O-235-H2C 1 AD O-235-L2A 1 AD O-235-L2C 1 AD O-235-N2C 1 AD O-235-P1 1 AD Carburetors 1 AD O-540-L3C5D 1 AD AEIO-320-D1B 1 AD AEIO-320-D2B 1 AD AEIO-320-E1A 1 AD AEIO-320-E2A 1 AD AEIO-360-A1A 1 AD AEIO-360-A1B 1 AD AEIO-360-A1B6 1 AD AEIO-360-A1C 1 AD AEIO-360-B1G6 1 AD AEIO-360-H1A 1 AD O-235-C2C 1 AD O-235-H2C 1 AD O-235-K2C 1 AD O-235-L2C 1 AD O-320-A2D 1 AD O-320-D1D 1 AD AEIO-320-D1B 1 AD AEIO-320-D2B 1 AD AEIO-320-E1A 1 AD AEIO-320-E1B 1 AD AEIO-320-E2A 1 AD AEIO-320-E2B 1 AD AEIO-360-B1B 1 AD AEIO-360-B1D 1 AD AEIO-360-B1F 1 AD AEIO-360-B1F6 1 AD IO-360-A1A 1 AD IO-360-A1B 1 AD IO-360-A1B6 1 AD IO-360-A1B6D 1 AD IO-360-A1C 1 AD IO-360-A1D 1 AD IO-360-A1D6 1 AD IO-360-A1D6D 1 AD IO-360-A2A 1 AD IO-360-A2B 1 AD AEIO-540-D4A5 1 AD AEIO-540-D4B5 1 AD AEIO-540-D4C5 1 AD AEIO-540-D4D5 1 AD AEIO-540-L1B5 1 AD AEIO-540-L1B5D 1 AD AEIO-540-L1D5 1 AD HIO 540-A1A 1 AD IO-540-A1A5 1 AD IO-540-AA1A5 1 AD 35 1 AD 500A 1 AD 500B 1 AD 500S 1 AD 500U 1 AD H35 1 AD Hose Assemblies 1 AD J35 1 AD K35 1 AD M35 1 AD Arrius 2F 1 AD Turn and Bank Indicators 1 AD 737-100 Series 1 AD 737-200 Series 1 AD 737-200C Series 1 AD 737-300 Series 1 AD 737-400 Series 1 AD 737-500 Series 1 AD 737-600 Series 1 AD 737-700 Series 1 AD 737-700C Series 1 AD 737-800 Series 1 AD DC-10-10 1 AD DC-10-10F 1 AD DC-10-15 1 AD DC-10-30 1 AD DC-10-30F (KC-10A, KDC-10) 1 AD DC-10-40 1 AD DC-10-40F 1 AD DC-8-11 1 AD DC-8-12 1 AD DC-8-21 1 AD 707-100 Long Body 1 AD 707-100B Long Body 1 AD 707-100B Short Body 1 AD 707-200 1 AD 707-300 Series 1 AD 707-300B Series 1 AD 707-300C Series 1 AD 707-400 Series 1 AD 720 Series 1 AD 720B Series 1 AD TAE 125-01 1 AD TAE 125-02-114 1 AD TAE 125-02-99 1 AD Various 1 AD H75- 100 1 AD M601E-11AS 1 AD HH-1K 1 AD SW204 (UH-1B) 1 AD SW204HP (UH-1B) 1 AD SW205 (UH-1H) 1 AD SW205A-1 1 AD TH-1F 1 AD TH-1L 1 AD UH-1A 1 AD UH-1B 1 AD UH-1E 1 AD UH-1F 1 AD UH-1H 1 AD UH-1L 1 AD UH-1P 1 AD Strobe Light Flash Tubes 1 AD

Recent ADs

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

View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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

View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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

View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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

View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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

View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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

View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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

View Details View AD (PDF) ↗

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

View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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

View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

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
View Details View AD (PDF) ↗

View all Engine ADs →