AD NO.
2025-0174
SUBJECT
ATA 53 – Fuselage – Rear Structure / Rear Frame – Inspection
APPLICABILITY
EC135 P1, EC135 P2, EC135 P2+, EC135 P3, EC135 T1, EC135 T2, EC135 T2+, EC135 T3, EC635 P2+, EC635 T1 and EC635 T2+ helicopters, all variants, all serial numbers (s/n) up to 1276 inclusive, if equipped with mounting ring frame X9227 part number (P/N) L535H2120301, P/N L535H2120303 or P/N L535H2120304, except those having the frame reinforcement installed.
ISSUED BY
EASA