What was found
VISABLE FIRE COMING FROM APU. FIRE EXTINGUISHER WAS DISCHARGED. REPLACED FIRE BOTTLE AND OPERATION OF APU FOUND TO BE NORMAL. NO DEFECTS FOUND AND SYSTEM RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VISABLE FIRE COMING FROM APU. FIRE EXTINGUISHER WAS DISCHARGED. REPLACED FIRE BOTTLE AND OPERATION OF APU FOUND TO BE NORMAL. NO DEFECTS FOUND AND SYSTEM RETURNED TO SERVICE.