As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. AT MCO, FLIGHT ATTENDANTS REPORTED CABIN ODOR ON DESCENT PASSING THROUGH 8,000 FEET. MAINTENANCE FOUND STRONG CABIN ODOR WITH ENGINE BLEED OFF APU ON. SOURCE OF ODOR ISOLATED TO APU ON FERRY FLIGHT FROM MCO TO CLT. MAINTENANCE REPLACED APU PER JOB CARD 33L31549001.