What was found
STRONG SMELL OF FUEL IN AIRCRAFT PHX TOWER REPORTED FIRE ON APU EXHAUST. APU FIRE BOTTLE DISCHARGED. REMOVED AND REPLACED FUEL CONTROL UNIT (FCU) DUE TO INTERNAL FAILURE. ALSO REPLACED APU FIRE BOTTLE. RAN APU AND OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STRONG SMELL OF FUEL IN AIRCRAFT PHX TOWER REPORTED FIRE ON APU EXHAUST. APU FIRE BOTTLE DISCHARGED. REMOVED AND REPLACED FUEL CONTROL UNIT (FCU) DUE TO INTERNAL FAILURE. ALSO REPLACED APU FIRE BOTTLE. RAN APU AND OPS CHECKED GOOD.