As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER PUSH BACK "ELEC" ILLUMINATED. GROUNDED - YES. C/W FIM 24-31 TASK 825 FOUND AUX BAT CHGR FAULT TO BE INTERMITTENT, VERIFIED BOTH BATTERY CHARGERS GREEN LIGHTS ON, PERFORMED STANDBY POWER SYSTEM OPS CK REF AMM 24-34-00-710-802 FOR ETOPS GROUND VERIFICATION OPS CHECK GOOD.