What was found
AFT CARGO BAY HAD 2 CIRCUIT BREAKERS TRIPPED FOR THE PDUS 4, 8, 11, C165, AND 4, 8, 11, C161. SAW SPARKS IN VICINITY OF BS 1197. FOUND DAMAGE TO THE WIRING LOOM W710, UNDERNEATH THE R4 PDU. PULLED AND SAFETIED THE CIRCUIT BREAKERS C78 DRIVE CTRL CB.C11 DRIVE CONT ROL C-B C165 PDU 4L AND 11L. C161 PDU 4R 8R 11R ON P39. IAW WD 25-53-22 PG1 SHT 4 WIRING DAMAGE LOCATED IN LOOM W710 UNDERNEATH PDU 4R.