As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AIR CONDITIONING FUMES BELOW 10,000' ON TAKEOFF AND LANDING. TAKEOFF WAS ON APU BLEED, LANDING ON LONG IDLE DESCENT. MAINTENANCE FOUND THE APU FREEZE PLUG LEAKING OIL. MAINTENANCE REPLACED THE APU PER TASK CARD 26L31049003. A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHED PER TASK CARD 26L00021014 ALONG WITH A SATISFACTORY LEAK / OPERATIONAL CHECK WITH NO ODORS NOTED.