What was found
DURING FINAL APPROACH FLIGHT ATTENDANT REPORTED SMELL OF SMOKE AS WELL AS HAZE { LIGHT SMOKE} IN FWD CABIN EMERGENCY DECLEARED- CABIN QRH CHECK LIST COMPLETED HAZE CONDITION DISSIPATED ODOR REMAINED SAFE ENOUGH TO CONTINUE TO GATE NO SMELL IN COCKPIT OR AFT CABIN SUSPECT GALLEY OR FWD LAV ELECTRICAL. ODOR GONE BY THE TIME WE REACH THE GATE. NO CAUTIONS OR WARNINGS MOVED ITEM TO DEFER OPERATE PER MEL 21-40-1 MMO2 UPDATED PLACARD INSTALLED MOC # 101954 NOTIFIED. GALLEY FAN FOUND TO BE THE ISSUE COMPLIED WITH DATA SHEET SMOKE/FUMES. R & R GALLEY FAN IAW AMM 21-23-93. OPS TEST GOOD. PLACARD REMOVED, MOC NOTIFIED 108525.