What was found
(CAN) AFTER ARRIVING AT THE GATE IN SLC GROUND POWER WORKING THEN DROPPED OFF-LINE, AFTER DEPLANING AND POWER OFF EXT POWER SPARKED AND POPPED. COCKPIT SMELLED OF SMOKE AND EXTERNAL RECEPTACLE HAS BURN MARK ABOVE IT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) AFTER ARRIVING AT THE GATE IN SLC GROUND POWER WORKING THEN DROPPED OFF-LINE, AFTER DEPLANING AND POWER OFF EXT POWER SPARKED AND POPPED. COCKPIT SMELLED OF SMOKE AND EXTERNAL RECEPTACLE HAS BURN MARK ABOVE IT.