As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AT THE GATE IT WAS NOTICED THERE WAS FUEL DRIPPING FROM THE APU AND A SMELL OF FUEL WAS NOTICED IN THE CABIN AREA. REMOVED AND REPLACED THE FUEL CONTROL UNIT'S PACKINGS AND PERFORMED PACK BURN AND APU HEALTH CHECK. OPS AND LEAK CHECKED NORMAL. C/W TASK CARD 505920101 AND AMM 49-30-01.