depressurize, conked, lightning arrester, tampered, crashed, depressurise, landing gear, overheat, tripped, nonfunctioning, intake valve, detonated, overloaded, power outage, cotter pin, bilge pump, deactivated, unbolt, unhooked, restarted, sabotaged, misfired, overfilled, flipped, unplugged, electrocuted, collided, jammed, ignition coil, roman candle, exploded, sprinkler system, installed, rigged, relit, gimbaled, dropsonde, circuit breaker, damaged, switched, homing torpedo, defibrillating, mishandled, flue pipe, eject, pitot tube, failed, radiator hose, ruptured, immersion heater, nitrogen tetroxide, miscalculated, fire extinguisher, whirred, reinstalled, unlatched, tail rotor, flat tire, beeped, idler pulley, unfastened, leak, repaired, drogue chute, disassembled, careened, dozed, capsized, hood latch, activated, retracted, relight, ejector seat, forgot, disintegrated, unscrewed, pluming, disable, dislodged, preheats, liquid oxygen, unattended, blew, misalign, interfered, collapsed, delayed, overfilling, inertial guidance, ignited, taxied, jackknifing, booby trap, kerosene heater, mistook, corroded, evacuated, detected, mislaid, overslept, false alarm, hydraulic brakes

malfunction