As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - THE FOLLOWING WAS REPORTED DURING CREW PRE-DEPARTURE WALK-AROUND. ODOR COMING FROM AIR CONDITIONING DUCTING. FOUND APU BLEED DUCT INSULATION BLANKET, IN AFT CARGO PIT BEHIND FORWARD WALL, SECURED WITH CARGO PIT TAPE. TAPE WAS BURNED AND BRITTLE. PROPERLY SECURED NEW BLANKET, RAN A/C PACKS, NO MORE ODOR NOTED. (X)