What was found
NR 1 FUEL AUX PUMP ADVISORY LIGHT ILLUMINATED APPROX 5 MINUTES. THEN SELF EXTINGUISHED. NR 1 FUEL QTY READ 250 LBS. LOWER THAN NR 2 GAGE. F/A REPORTS FUEL ODOR IN CABIN RESULTING IN NR 1 ENGINE BEING SHUTDOWN BY CREW PRIOR TO APPROACH. FUEL QUANTITIES WERE NR 1 2250 AND NR 2 2500 LBS. GROUND RAN ACFT AND OPS CHECKED OF FUEL TRANSFER AND AUX PUMPS IAW MM 28-23-00. CHECKED NORMAL WITH OUT ANY DEFECTS OR ANY ADVISORY LIGHT MALFUNCTION. NO FUEL ODOR NOTED IN CABIN. (CREW AND MX REPORTS NO LEAKS.)