As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FUEL SMELL WAS REPORTED IN THE CABIN WHEN THE HEATER WAS TURNED ON. FCU WAS REMOVED AND FUEL WAS FOUND IN THE P2 AIR CHAMBER WHEN THE FCU WAS INVERTED. FCU WAS REMOVED AND RETURNED TO MFG FOR REPAIRS. FCU RAN 712.6 HRS SINCE LAST REPAIR. FCU P/N 2915145338508 S/N A969B (TC NR 20061011014)