As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRIC LIGHT ILLUMINATED DURING PREFLIGHT. ACFT GROUNDED. PERFORMED FIM 24-31, TASK 801. BITE TEST SHOWED BATTERY CHARGER INOPERATIVE. ACCESSED BOTH BATTERY CHARGERS & VERIFIED 2 GREEN LIGHTS ON BOTH CHARGERS. CLEARED FAULTS , RETESTED & NO FAULTS FOUND.