EASA Regulations for Safran Helicopter Engines ARRIEL 1

EASA AD 2017-0064R2

Engine Fuel & Control — Drain Valve Assembly — Inspection / Replacement

{ "summary": "EASA Airworthiness Directive 2017-0064R2 is an updated safety directive addressing fuel leaks from the drain valve assembly on SAFRAN Helicopter Engines ARRIEL 1 series engines, which are installed on various helicopter models including Airbus Helicopters AS 350 and AS 365 series, MBB-BK117, Leonardo A 109 K2, and Sikorsky S-76A. The directive mandates inspections, wrapping, and replacement of affected drain valves to prevent fuel leaks that could lead to engine fire or in-flight