FAA 2023-15-01

Requires removing certain high-pressure turbine second-stage disks from service and also prohibits installation of certain high-pressure turbine second-stage disks on any affected engine. Prompted by a root cause analysis of an event involving an uncontained failure of a high-pressure turbine first-stage disk, on an IAE V2533–A5 engine, that resulted in high-energy debris penetrating the engine cowling and an aborted takeoff.