AD 2023-16-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | International | Aero | Airworthiness Directives; International Aero Engines, LLC Engines |
Unsafe Condition
The high-pressure turbine (HPT) 1st-stage hub and HPT 2nd-stage hub are susceptible to failure due to a material anomaly, which could result in uncontained disk failure, release of high-energy debris, damage to the engine, damage to the airplane, and loss of the airplane.
Required Actions
Perform an ultrasonic inspection (USI) of the HPT 1st-stage hub and HPT 2nd-stage hub for cracks and, depending on the results of the inspections, replace the HPT 1st-stage hub or HPT 2nd-stage hub.
Compliance Time
Within 50 flight hours
Affected Aircraft
IAE LLC Model PW1122G-JM, PW1124G1-JM, PW1124G-JM, PW1127G1-JM, PW1127GA-JM, PW1127G-JM, PW1129G-JM, PW1130G-JM, PW1133GA-JM, PW1133G-JM, PW1428G-JM, PW1428GA-JM, PW1428GH-JM, PW1431G-JM, PW1431GA-JM, PW1431GH-JM, and PW1400G series engines.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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