Manufacturer
Leonardo Helicopters
Number
FAA 2020-15-18
Model(s)
AB139, AW139, AW169, and AW189
Published Date
Effective Date
Summary
Requires removal of certain emergency flotation system (EFS) shape memory alloy (SMA) inflation systems and installation of serviceable SMA inflation systems. Prompted by reports of uncommanded deployment of the EFS due to an improperly done reset procedure of the SMA inflation system actuation device.
UUID
364