Secret Drone Crash, B-1 Engine Malfunction Among Major 2019 Air Force Mishaps
20 Feb 2020
Military.com | By Oriana Pawlyk
A B-1B Lancer bomber undergoing maintenance at Tinker Air Force Base, Oklahoma, suffered an abnormal restart in one of its four engines, causing the destruction of an engine bearing.
The Sept. 24, 2019, accident is still under investigation. But because the bearing, or materials that support the shafts in turbofan engines, was destroyed, repair costs were high -- $2 million just to fix the engine -- and it had to take time out of service in an era of limits-pushing high demand in the B-1 community.
https://www.military.com/daily-news/2020/02/20/secret-drone-crash-b-1-engine-malfunction-among-major-2019-air-force-mishaps.html
