What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On August 29, 2002, at approximately 10:23 am, N14075 was on the ground while maintenance personnel were performing routine servicing of the aircraft. The aircraft was powered by external electrical power only. Ground personnel heard a loud bang and the aircraft lost electrical power. Maintenance personnel inspected the aircraft's center accessory compartment and found a terminal strip's (p/n MS227212-5-3) center lug had experienced an electrical arc. Only circuit breaker (c/b) "phase a" of the ac bus 1 tripped automatically. Maintenance personnel manually pulled cbs for phase "b and c." cbs for phases "b and c" would not manually reset.
As the FAA filed it
(-23) ON AUGUST 29, 2002, AT APPROXIMATELY 10:23 AM, N14075 WAS ON THE GROUND WHILE MAINTENANCE PERSONNEL WERE PERFORMING ROUTINE SERVICING OF THE AIRCRAFT. THE AIRCRAFT WAS POWERED BY EXTERNAL ELECTRICAL POWER ONLY. GROUND PERSONNEL HEARD A LOUD BANG AND THE AIRCRAFT LOST ELECTRICAL POWER. MAINTENANCE PERSONNEL INSPECTED THE AIRCRAFT'S CENTER ACCESSORY COMPARTMENT AND FOUND A TERMINAL STRIP'S (P/N MS227212-5-3) CENTER LUG HAD EXPERIENCED AN ELECTRICAL ARC. ONLY CIRCUIT BREAKER (C/B) "PHASE A" OF THE AC BUS 1 TRIPPED AUTOMATICALLY. MAINTENANCE PERSONNEL MANUALLY PULLED CBS FOR PHASE "B AND C." CBS FOR PHASES "B AND C" WOULD NOT MANUALLY RESET.
Other reports on N14075 · 1
Matched to the same aircraft by N-number and date.