What was found
SMOK IN MID CABIN GALLEY FROM DRAIN C/W SMOKE IN CABIN INSPECTION PER AMM 05-51-99-99A-282A-A. ALSO COMPLETED FORM 46-6020. INFLIGHT CREW REPORTS A MUSTY SMELLING VAPOR WAS NOTED FROM MID GALLEY SINK DRAIN ALONG WITH A SUCTION N OISE. DUE TO REPORTS C/W VISUAL AND OPS CHECK OF MID GALLEY SINK GRAY WATER INTERFACE VALVE, NO FAULTS FOUND. C/W CHECKS OF FWD AND AFT GALLEY GRAY WATER INTERFACE VALVES TO ENSURE THE SAME RESULTS. NO FAULTS FOUND. REF LP 4343770 FOR CONTINUED MX NO ELECTRIC/TOXIC SMELL NOTED.