As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO COMPARTMENT P35 POPPING CB`S AS FOLLOW: C171, C173, C167, C168 & C169. FOUND 24 WIRES BURNED OUT UNDER PNL PDU 7L. ALL WIRES ISOLATED AND AFFECTED PDU'S ELECT PLUGS REMOVED AND ISOLATED. FWD CARGO HDG SYS INOP. STARTED TO IDENTIFY WIRES WITH LABELS. REPAIRED AND OPS CHECKED GOOD.