What was found
FLIGHT 733, LGW-CLT - MALODOROUS SMELL ON APPROACH, ZONE C & AFT GALLEY AREA. MAINTENANCE PERFORMED CABIN AIR QUALITY JOB CARD 33L00021001. FOUND APU LEAKING OIL INTO AIR INLET, REMOVED AND REPLACED APU OIL TEMPERATURE COOLER REGULATOR. EXTENSIVE ENGINE RUNS & REPLACEMENT OF RECIRC FILTERS ACCOMPLISHED, NO UNUSUAL ODORS NOTED.