AD NO.
2023-0109
SUBJECT
ATA 72 – Engine – High Pressure Compressor Stages 6-10 Spools and High Pressure Turbine Rotor Stage 1 Disks – Replacement
APPLICABILITY
LEAP-1B21, LEAP-1B23, LEAP-1B25, LEAP-1B27, LEAP-1B28, LEAP-1B28B1, LEAP-1B28B2, LEAP-1B28B2C, LEAP-1B28B3, LEAP-1B28BBJ1 and LEAP-1B28BBJ2 engines, all serial numbers (s/n). These engines are known to be installed on, but not limited to, Boeing 737-8, 737-8200 and 737-9 aeroplanes.
ISSUED BY
EASA