As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) GROUND HANDLER ADVISED MAINTENANCE THAT THE AFT CARGO FWD WALL WAS EXTREMELY HOT. MAINTENANCE OPENED AFT CARGO FWD WALL AND FOUND DISCOLORATION ON PANEL. HEAT SHIELD REMOVED FROM APU BLEED AIR DUCT AND DUCT CLAMP FOUND LOOSE. CLAMP TIGHTENED IAW STANDARD PRACTICES.