core locked

core locked

1. simple past and past participle of core lock

core locked (not comparable)

1. (aviation, mechanical engineering) Affected by core lock.
   • 2007 January 9, National Transportation Safety Board, “1.18.2 Core Lock”, in Aircraft Accident Report: Crash of Pinnacle Airlines Flight 3701, Bombardier CL-600-2B19, N8396A, Jefferson City, Missouri, October 14, 2004‎^[1], archived from the original on 15 March 2022, page 37:

     Engines that are found to be core locked are reworked using an in-flight "grind-in" procedure that was designed to remove seal material at the interference location. Engines that undergo grind-in rework are then rescreened for core lock. The grind-in procedure is as follows [...]