As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOW-UP TO REPORTS OF ELECTRIC LIGHT ON WITH AUXILIARY BATTERY FAULT. ACFT GROUNDED. R & R BOTH MAIN AND AUXILIARY SHIP BATTERIES IAW AMM 24-31-11. PERFORMED MAIN BATTERY CHARGER OPS TEST IAW AMM 24-31-21-710-801. OPS NORMAL. PERFORMED AUXILIARY BATTERY CHARGER, OPS TEST IAW AMM 24-31-31-710-801.