As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT APPROXIMATELY 20000 FEET, FLIGHT ATTENDANT CALLED WITH A SLIGHT SMOKEY SMELL IN AFT GALLEY AREA. PILOT IN JUMP SEAT CONFIRMED SLIGHT SMELL, GALLEY POWER WAS TURNED OFF FOR REMAINDER OF FLIGHT AND LANDING WAS UNEVENTFUL. REPLACED RIGHT AFT LAVATORY WATER HEATER AND TESTS OK.