36 results found (1824ms)
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...
Why matched: Airworthiness Directives; International Aero Engines AG Engines
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.
Why matched: Airworthiness Directives; International Aero Engines AG Engines
Airworthiness Directives; International Aero Engines, AG Engines
Unsafe Condition: Failure of the high-pressure compressor (HPC) 7th-stage integrally bladed rotor (IBR-7) due to a nickel powdered metal anomaly, similar in nature to an anomaly previously observed on March 18, 2020...
Why matched: Airworthiness Directives; International Aero Engines, AG Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: The HPT 1st-stage disk and HPT 2nd-stage disk may have a crack or other damage that could lead to engine failure.
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: An uncontained failure of the high-pressure turbine (HPT) 1st-stage disk or HPT 2nd-stage disk, resulting in high-energy debris penetrating the engine cowling, may cause damage to the engine, damag...
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: An uncontained failure of a high-pressure turbine (HPT) 1st-stage disk that resulted in high-energy debris penetrating the engine cowling.
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: A crack found at the diffuser case M-flange during overhaul inspection.
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: The uncontained failure of the HPT 1st-stage disk resulted in high-energy debris penetrating the engine cowling, which could result in failure of the HPT, uncontained HPT failure, damage to the eng...
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: a manufacturing quality escape that could impact the life of the diffuser case assembly
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG (IAE) Turbofan Engines
Unsafe Condition: An uncontained failure of the HPT 1st-stage disk resulted in high-energy debris penetrating the engine cowling.
Why matched: Airworthiness Directives; International Aero Engines AG (IAE) Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: material anomalies exist in certain low-pressure turbine (LPT) stage 6 disks
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: cracked turbine exhaust case (TEC)
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: Failure of high-energy, rotating hardware, uncontained part release, damage to the engine, and damage to the airplane.
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: Premature failure of the No. 3 bearing resulting from several in-flight shutdowns.
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: Failure of the high-pressure turbine (HPT) stage 2 seals, caused by blockage of the No. 4 bearing seal seat's anti-weep circuit, leading to uncontained HPT seal release, damage to the engine, and d...
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: Fracture of the high-pressure turbine (HPT) stage 2 hub during flight, which resulted in an in-flight shutdown (IFSD), undercowl fire, and smoke in the cabin.
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: Failure of the high-pressure compressor (HPC) stage 3 to 8 drum, which could result in uncontained drum failure, damage to the engine, and damage to the airplane.
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines AG Turbofan Engines
Unsafe Condition: Engine under-cowl fire and commanded in-flight shutdown due to issues with No. 4 bearing internal and external scavenge tubes.
Why matched: Airworthiness Directives; International Aero Engines AG Turbofan Engines
Airworthiness Directives; International Aero Engines Turbofan Engines
Unsafe Condition: Reports of high-pressure turbine (HPT) case burn-through events, loss of stage 1 blade outer air seal segments, and HPT case bulging indicate potential degradation leading to HPT case burn-through,...
Why matched: Airworthiness Directives; International Aero Engines Turbofan Engines
Airworthiness Directives; International Aero Engines (IAE) V2500-A1, V2522-A5, V2524-A5, V2525-D5, V2527-A5, V2527E-A5, V2527M-A5, V2528-D5, V2530-A5, and V2533-A5 Turbofan Engines
Unsafe Condition: Reports of fractured vortex reducers found at shop visits indicate cracks in the vortex reducer could result in an uncontained failure of the HP compressor stage 3-8 drum and subsequent damage to t...
Why matched: Airworthiness Directives; International Aero Engines (IAE) V2500- A1, V2522-A5, V2524-A5, V2525-D5, V2527-A5, V2527E-A5, V2527M-A5, V2528-D5, V2530-A5, and V2533-A5 Turbofan Engines
Airworthiness Directives; International Aero Engines AG (IAE) V2500-A1, V2527E-A5, V2530-A5, and V2528-D5 Turbofan Engines
Unsafe Condition: Uncontained failure of the high-pressure compressor (HPC) stage 9-12 disc assembly, resulting in an in-flight engine shutdown and possible damage to the airplane.
Why matched: Airworthiness Directives; International Aero Engines AG (IAE) V2500-A1, V2527E-A5, V2530-A5, and V2528-D5 Turbofan Engines
Airworthiness Directives; International Aero Engines AG (IAE) V2500-A1, V2527E-A5, V2530-A5, and V2528-D5 Turbofan Engines
Unsafe Condition: Prevent an uncontained failure of the HPC stage 9-12 disc assembly, resulting in an in-flight engine shutdown and possible damage to the airplane.
Why matched: Airworthiness Directives; International Aero Engines AG (IAE) V2500-A1, V2527E-A5, V2530-A5, and V2528-D5 Turbofan Engines
Airworthiness Directives; International Aero Engines AG (IAE) V2500 Series Turbofan Engines
Unsafe Condition: Oil loss from the No. 4 bearing compartment can cause heat damage to high-pressure turbine (HPT) and low-pressure turbine (LPT) critical life-limited hardware, such as the HPT stage 1-2 airseal, po...
Why matched: Airworthiness Directives; International Aero Engines AG (IAE) V2500 Series Turbofan Engines
Airworthiness Directives; International Aero Engines (IAE) V2500 Series Turbofan Engines
Unsafe Condition: Cracked high pressure turbine (HPT) stage 2 air seals, which could lead to uncontained failure of the HPT stage 2 air seal.
Why matched: Airworthiness Directives; International Aero Engines (IAE) V2500 Series Turbofan Engines
Airworthiness Directives; International Aero Engines AG (IAE) V2522-A5, V2524-A5, V2527-A5, V2527E-A5, V2527M-A5, V2530-A5, and V2533-A5 Turbofan Engines
Unsafe Condition: Failure of the No. 3 bearing, which could result in an in-flight shutdown (IFSD) and smoke in the cockpit and cabin. The smoke is a result of oil escaping from the bearing compartment due to a frac...
Why matched: Airworthiness Directives; International Aero Engines AG (IAE) V2522-A5, V2524-A5, V2527-A5, V2527E-A5, V2527M-A5, V2530-A5, and V2533-A5 Turbofan Engines