EASA AD 2018-0086
SUPERSEDED BY EASA AD 2018-0139
EASA Airworthiness Directive 2018-0086 is an airworthiness directive addressing Rolls-Royce Trent 1000 series engines installed on Boeing 787 aircraft. It focuses on preventing intermediate pressure turbine blade (IPTB) failures caused by sulphidation corrosion cracking, which could lead to in-flight engine shutdowns. The directive mandates specific engine removal and de-pairing procedures to mitigate this risk.