San Francisco, CA, USA
N557XJ
BOMBARDIER INC BD-100-1A10
On July 27, 2022, about 1240 Pacific standard time, a Bombardier BD-100-1A10 Challenger, N557XJ, was involved in an accident when the autopilot unexpectedly disconnected. The pilot and co-pilot were not injured, but the cabin attendant was seriously injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 positioning flight. The pilot in command (PIC) reported that the airplane arrived at San Francisco International Airport (SFO) San Francisco, California, about 1130 from Shively Field Airport, Saratoga, Wyoming. Five passengers deplaned and a new cabin attendant joined the current crew. After briefing and complete their appropriate checklist, the airplane, with the co-pilot on the flight controls, departed to the east for a reposition flight to Page Municipal Airport (PGA), Page, Arizona. As the airplane climbed through FL200, an amber CAS message appeared, “AP [autopilot] Trim Fail”. The PIC began to review a checklist to troubleshoot when a second amber CAS message appeared, “AP holding nose DN [down]. The PIC resumed control of the airplane after a positive exchange. Shortly after, the autopilot disconnected. The airplane immediately pitched up and after a couple oscillations, the PIC was able to steady the airplane into straight and level flight. During this time, the cabin attendant reported to the flight crew that she was seriously injured. The airplane returned to SFO without further incident and the cabin attendant received medical treatment for serious injuries. The airplane was secured for further examination.
Source: NTSB Aviation Accident Database
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