What was found
APU DOES NOT START. SHUTS DOWN AT AROUND 18 PERCENT. REPLACED APU BATTERY AND CHARGER. APU STARTS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU DOES NOT START. SHUTS DOWN AT AROUND 18 PERCENT. REPLACED APU BATTERY AND CHARGER. APU STARTS OK.