AD NO.
2021-0009R1
SUBJECT
ATA 75 – Air – Modulated Air System Control Valves – Lock-Out / Deactivation
APPLICABILITY
Trent 1000-AE3, Trent 1000-CE3, Trent 1000-D3, Trent 1000-G3, Trent 1000-H3, Trent 1000-J3, Trent 1000-K3, Trent 1000-L3, Trent 1000-M3, Trent 1000-N3, Trent 1000-P3, Trent 1000-Q3 and Trent 1000-R3 engines, all serial numbers, except those on which Rolls-Royce modification (mod) 75-K778 has been embodied in production, or TRENT 1000 SB 75-K778 has been embodied in service. These engines are known to be installed on, but not limited to, Boeing 787 aeroplanes.
ISSUED BY
EASA