As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR EMERGENCY LIGHT ROWS 7 8 9 10 ILLUMINATED WITH EMER LIGHTS IN OFF POSTION-C/A-TROUBLESHOOTING EMERGENCY FLOOR LIGHTS AND FOUND #3 BATTERY POWER SUPPLY TO BE INOP. RAR #3 BATTERY POWER SUPPLY IAW EMB 140 AMM 33-50-04. OPS CHK OK IAW AMM 33-50-00