What was found
AT GATE SMELL OF BURNING ELECTRICAL WIRE FROM AFT SECTION OF CABIN. APU BATTERY OVERHEAT, REPLACED APU BATTERY AND CHARGER PER M/M OPS CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT GATE SMELL OF BURNING ELECTRICAL WIRE FROM AFT SECTION OF CABIN. APU BATTERY OVERHEAT, REPLACED APU BATTERY AND CHARGER PER M/M OPS CHECK NORMAL.