As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT AUX BATTERY SHOWED +2 AMPS FOR ENTIRE 5 HR FLIGHT. VOLTS WERE NORMAL AT 27. NO OTHER ABNORMAL ELECTRICAL INDICATIONS NOTED. REPLACED NR 1 AND NR 2 BATTERY MAIN IAW AMM 24 31 11. OPS CHECKED GOOD. GROUND FUNCTIONAL CHECKED GOOD IAW AMM 24-31-11 NR 2 BATTERY WARM TO THE TOUCH.