AD 2020-15-18
Effective 09/03/2020 · Published 07/30/2020
Airworthiness Directives; Leonardo S.p.A. Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.A. (Leonardo) Model AB139, AW139, AW169, and AW189 helicopters. This AD was prompted by reports of uncommanded deployment of the emergency flotation system (EFS) due to improper accomplishment of the reset procedure of the shape memory alloy (SMA) inflation system actuation device. This AD requires removal of affected SMA inflation syste…