With FAA direction, BA recommended airlines pull 777s with P&W 4000 engines for inspections. Undoubtedly, RTX and BA will be impacted at least ST. GE, possibly by people with limited knowledge?
Unless the following Reuters article is dead wrong, only UA, JAL, ANA and KA were flying 777s with P&W 4000 engines. The FAA directed UA to pull such 777s to further inspect those specific engines, particularly the titanium alloy engine blades after Sat’s and prior incidents (US 2018 and JP 2020).
Japan’s FAA halted any related flights. Minimally, KA halted any 777s with the P&W 4000s from flying to Japan. The 2nd linked Aeroassurance article provides insights on a possibly similar UA/P&W 2018 incident and resulting NTSB investigation.
Showers of jet engine parts over residential areas on both sides of the Atlantic have caught regulators' attention and prompted the suspension of some older Boeing Co planes from service.
www.reuters.com
Weaknesses in procedures, training and facilities at a P&W Non Destructive Inspection shop struggling with a backlog of novel Thermal Acoustic Imaging inspections of PW4000 fan blades.
aerossurance.com