As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND THE PASSENGER DOOR EMERGENCY LIGHT INOPERABLE AND THE MID-CABIN FORWARD EMERGENCY EXIT SIGN (CEILING) TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1 POWER SUPPLY AND BATTERY IAW W/C 33-700-19 AND REMOVED AND REPLACED THE MID CABIN EMERGENCY EXIT SIGN IAW EMB AMM 33-50-15. THE AIRCRAFT WAS RETURNED TO SERVICE.