As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DAILY CHECK, IB PICKUP ITEM BY MAINTENANCE. UNABLE TO POWER CGO HANDLING BUSSES. REMOVED AND REPLACED BPCU NR 1 AND NR 2. ALSO, FOUND WIRE HARNESS W124, 12 WIRES SHORTED OUT. REPAIRED IAW SWPM ACCOMPLISHED, CARGO HANDLING SYSTEM CHECKS NORMAL. (K)