Fuel leaking Motion from these damaged Damaging lines ignited Lighting , causing Causation a large fire which then destroyed Destroying components that controlled Control the elevators and rudder , resulting in Causation the pilots losing Earnings_and_losses control Control of the aircraft .

The probable cause of the crash Catastrophe was determined Deciding to be failure to remove Removing the gust locks that had secured Placing the aircraft 's elevators while it was parked Placing .