As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH MID EXIT DOOR PLUG SUPPLEMENTAL INSPECTION AND CLOSE UP - DURING EMERGENCY LIGHTS OPS CHECK AFT EMERGENCY EXIT IDENTIFIER DID NOT ILLUMINATE 99-3351-3-0015,QTY :1 CHARGED BATTERY PACKS REF AMM TASK TASK 33-51-06-610-80 FOR OVER 180 MINUTES. NO HELP. REMOVED AND REPLACED BATTERY PACK ON POWER SUPPLY M1673 REF AMM TASK 33-51-06-960-802 AND WDM 33-51-14. OPS CHECK GOOD