AD 2018-14-10
Effective 09/28/2018 · Published 08/24/2018
Airworthiness Directives; Pratt & Whitney Division Turbofan
Summary
We are superseding Airworthiness Directive (AD) 2017-12-03 for certain Pratt & Whitney Division (PW) PW2037, PW2037M, and PW2040 turbofan engines. AD 2017-12-03 required installing a software standard eligible for installation and precludes the use of electronic engine control (EEC) software standards earlier than SCN 5B/I. This AD requires installing a software standard eligible for installation and preclude the us…