EASA AD 2023-0110
Fire Protection — Fire Detectors — Replacement
EASA Airworthiness Directive 2023-0110 is issued to address fire detector replacement on SAFRAN Helicopter Engines ARRIEL 1 series engines installed on helicopters such as Airbus Helicopters SA 365 variants and Leonardo Helicopters A109K2. The directive mandates replacement of specific fire detectors identified by part and serial numbers due to manufacturing non-compliance causing spurious engine fire warnings. This AD applies to all serial numbers of ARRIEL 1C, 1C1, 1C2, 1K, and 1K1 engines.
Airworthiness DirectiveMaintenanceSafety MgmtSafran ARRIEL 1Airbus Helicopters SA 365Leonardo Helicopters A109K2