As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING 31,000 FEET IN CLIMB, FLIGHT ATTENDANT REPORTED LIGHT SMOKE IN AFT PASSENGER COMPARTMENT AND SMOKE DETECTORS IN AFT LAV WERE ON. BEGAN DESCENT AND SMOKE DISSIPATED AND CLEARED CABIN FOR DURATION OF FLIGHT. FOUND RT ACM OVERSERVICED. SERVICED TO PROPER LEVEL AND PERFORMED DUCT BURNOUT AND WATER SEPARATOR BAG REPLACEMENT PER M/M. NO FURTHER SMELLS OR SMOKE.