25 November 2016
Aggressive’ Grit Blasting Maintenance Leads to Engine Fire & IFSD
‘Aggressive’ Grit Blasting Maintenance Leads to Engine Fire & IFSD. The US National Transportation Safety Board (NTSB) has issued their report on an incident that resulted in an Pratt & Whitney PW4056 engine fire and In-flight Shut Down (IFSD) on Delta Airlines Boeing 747-451 N669US on 21 September 2014.
