EASA AD 2019-0137
SUPERSEDED BY EASA AD 2020-0055
EASA Airworthiness Directive 2019-0137 is an airworthiness directive addressing CFM International LEAP-1B engines installed on Boeing 737-8 and 737-9 aircraft. It mandates repetitive inspections of the transfer gearbox module scavenge screens for metallic particles due to potential failure of the radial drive shaft bearing cage. The directive aims to prevent in-flight engine shutdowns caused by this failure.