AD NO.
2023-0163
SUBJECT
ATA 72 – Engine – Pistons – Oil Analysis / Replacement
APPLICABILITY
Model E4 and E4P engines, all serial numbers (s/n) listed in Table 1, 2, 3 and 4 of the Mandatory Service Bulletin (MSB), as defined in this AD. These engines are known to be installed on, but not limited to, Diamond Aircraft Industries DA 40 NG, DA 42 NG, DA 42 M-NG and DA 62 aeroplanes.
ISSUED BY
EASA