As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED AIRCRAFT DUE TO REPORTS OF SMOKE IN THE CABIN AND AFT LAVATORY SMOKE DETECTORS SOUNDING. FOLLOWED QRH, SECURED THE RECIRCULATION FAN & THE LEFT PACK, AND THE SMOKE DISSIPATED. MAINTENANCE FOUND THE APU DRAIN CHIP DETECTOR LEAKING OIL, WHICH CONTAMINATED THE APU. DUCT BURNOUT PROCEDURES WERE ACCOMPLISHED. OPEN