Manufacturer
Leonardo Helicopters
Number
EASA 2020-0011
Model(s)
AB139/AW139
Published Date
Effective Date
Summary
Supersedes and partially retains the requirements of EASA AD 2019-0174, which required the removal of the main gearbox and replacement of main gearbox bearing lock nut P/N 3G6320A09151. Updated AD amends the compliance times and requires replacement of these affected main gearbox bearing lock nuts with new P/N 3G63209A152 lock nuts.
UUID
237