As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TERMINAL BLOCK AT STA FS 146 FLOORBEAM BROKE, AFTER INVESTIGATION FOUND 2 WIRES DAMAGED. REPLACED WIRE FROM TERMINAL NR 1 TO THE T1 POSITION ON THE LEFT APU BUSS RELAY. ALSO REPLACED TERMINAL END ON THE SECOND ATTACHING IN THE NR 1 POSITION OF THE TERMINAL BLOCK.