'That's what we train for:' Pilot discusses Boeing 777 engine failure 10 Tampa Bay anchor Allison Kropff spoke with an aviation expert about what happened and what investigators are looking for. Author: Allison Kropff Updated: 3:51 PM EST February 22, 2021 TAMPA, Fla. — After a United Airlines plane engine failed, dropping debris on a Denver neighborhood, we wanted to give you a sharper insight into what happened. 10 Tampa Bay anchor Allison Kropff spoke with retired pilot Mark Weinkrantz about what happened to United Flight 328. In a career spanning 33 years, he was an instructor in the Air Force and at the airline and has more than 30,000 hours of total flight time.