Superseded. This AD was superseded by AD 2018-20-23. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2017-07-04
Effective 04/21/2017 · Published 04/06/2017
Airworthiness Directives; General Electric Company Turbofan Engines
Summary
We are superseding Airworthiness Directive (AD) 2013-24-17 for General Electric Company (GE) GE90-110B1 and GE90-115B turbofan engines with certain high-pressure compressor (HPC) rotor stage 2-5 spools installed. AD 2013-24-17 required removing these spools from service at times determined by a drawdown plan. This AD retains the same requirements as AD 2013-24-17. This AD also adds additional part number (P/N) HPC s…