on 29 may 2014, one of the four test aircraft suffered an uncontained engine failure. consequently, the test program was suspended until an investigation of the incident could be completed. the incident kept bombardier from showcasing the cseries at the week-long 2014 farnborough airshow, one of the most important events for the aerospace and defence industry. in august 2014 and after slashing its workforce, bombardier changed the management overseeing the still-grounded aircraft.