As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR 3 LEFT EMR EXIT LIGHT AT DOOR AND OVER HEAD OUT. OPENED PANEL ABOVE NBR 3 DOOR AND REMOVED BATTERY /PACK ON ORDER FROM ATL W.I.P.L.MANNO 137343 REPLACED EMERGENCY POWER SUPPLY UNIT AND BATTERY PACK PER A321 AMM 33-51. OPS CKS OK. (REFERENCE LOGPAGE 9303340, 2291273)