As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HORRIBLE SULFUR ODOR COMING FROM FWD FLOOR DRAINS ON EACH SIDE OF AFT GALLEY. THE ODOR WAS INTERMITTENT WHILE ACFT OPERATING. ONE FLT ATTENDANT GAGED. FLOOR DRAINS ON FLOOR ON FAR SIDE OF GALLEY NEXT TO GIRT BARS. PERFORMED AFT SILL DRAIN FLOAT VALVE CLEANING ON LT & RT AFT SILL DRAINS IAW AMM 38-31-06