He is an, admitted, offshore passenger.
Like any piece of complicated equipment the helicopters are in a constant state repair/maintenance. Any issue found is a 'defect' which will be 'rectified' before the aircraft is released to service.
All to often people outside the business (passengers) overhear shop talk between crew and/or maintainers and develop a mental picture of problems that don't match reality.
We trust you guys to operate the rig safely...