As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED MX INSPECTION, IT WAS FOUND THAT THE AFT LEFT AND RIGHT OVERWING EMERGENCY EXIT LIGHTS WERE FOUND TO BE INOPERATIVE. MX R & R THE NR 4 BATTERY POWER SUPPLY IAW AMM 33-50-04 WITH OPS CHECK SUCCESSFUL. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.