What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED MILD TRANSIENT ODOR IN CABIN NEAR ROWS 16 AND 17. ODOR COMBINATION OF ELECTRICAL, FOOD COOKING, AND BURNING DUST, NO HAZE VISIBLE, NOT ACRID, NO PASSENGER COMPLAINTS. NO OBVIOUS SOURCE. MAINTENANCE NOTED A CLASS 2 STATUS MESSAGE TEMPERATURE CONTROL 2 ALONG WITH RECIRCULATION FAN 15HG FAULT MESSAGE DISPLAYED. MAINTENANCE NOTED A BURNING SMELL WHILE REPLACING THE FAN AND A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED.