EASA AD 2018-0208
Emergency Flotation System — Aft Float Assembly Inflation System — Removal / Installation
EASA Airworthiness Directive 2018-0208 addresses the emergency flotation system aft float assembly inflation system on Leonardo S.p.A. AB139, AW139, AW169, and AW189 helicopters. It applies to specific part numbers of the Shape Memory Alloy inflation systems installed on these helicopters. The directive mandates removal and replacement of affected parts to prevent uncommanded deployment of the emergency flotation system.