What was found
DURING APPROACH FLIGHT 3649, THE CREW NOTED THAT THE APU FAILED ON APPROACH/STRONG FUEL ODOR IN CABIN AND COCKPIT. IAH- MAINTENANCE INSPECTED THE APU, AND, THE AIRCRAFT WAS RELEASED IAW MEL. IAH- MAINTENANCE REMOVED AND REPLACED THE APU, PERFORMED A OPERATINAL CHECK OF THE APU, NO DEFECTS NOTED, AND, THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.