What was found
(CAN) ON APPLICATION OF GROUND SERVICE POWER TO AIRCRAFT, BURNING SMELL REPORTED IN AIRCRAFT CABIN. TRUCKS CALLED. APU BATTERY FOUND TWO CELLS MELTED AND BATTERY SHOWING SIGNS OF OVERHEAT. REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON APPLICATION OF GROUND SERVICE POWER TO AIRCRAFT, BURNING SMELL REPORTED IN AIRCRAFT CABIN. TRUCKS CALLED. APU BATTERY FOUND TWO CELLS MELTED AND BATTERY SHOWING SIGNS OF OVERHEAT. REPLACED.