What was found
LAS-FLT 238-FUEL SMELL IN CABIN- C -WHILE APPROACHING THE GATE AFTER LANDING THE CABIN CREW AND SOME PASSENGERS NOTED A FUEL SMELL. THE FLIGHT DECK CREW STARTED THE APU AFTER LANDING, NO FUEL ODOR WAS NOTICED PRIOR TO STARTING THE APU. AT THE GATE THE CREW TURNED THE APU OFF. MAINTENANCE PERFORMED INITIAL TROUBLESHOOTING AND INSPECTED THE AIRCRAFT FOR SIGNS OF FUEL LEAKAGE, NONE WERE NOTED. THE APU WAS PLACED ON MEL 49-10-01, COND 1. AWAITING FURTHER TROUBLESHOOTING. MAINTENANCE FOUND THE APU IGV ACTUATOR LEAKING AND REPLACED IT. OPERATIONAL AND LEAK CHECKS WERE GOOD. NO FURTHER DISCREPANCIES HAVE BEEN REPORTED.