As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX AND SERVICE DOOR GREEN AND BOTH MIDDLE OVERWING EMERGENCY LIGHTS. BATTERY PACKS WERE SWAPPED AND NOW LT/RT AFT OVERWING EMERGENCY LIGHTS AND NR 2 & 4 CEILING EMERGENCY LIGHTS ARE INOPERATIVE. R & R EMERGENCY LIGHT BATTERY PACK NR 4 IAW AMM 33-51-04. OPS CHECK GOOD.