As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THAT THE LOWER EMERGENCY EXIT SIGNS AT BOTH OF THE OVERWING HATCHES AND AT THE AFT CABIN DOOR WERE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACKS FOR THE NOTED LIGHTED AREAS AND THE OPS CHECK WAS GOOD.