As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - MAINTENANCE REPORTED THE FORWARD ENTRANCE AND AFT ENTRANCE CENTER EMERGENCY EXIT SIGN AT L1, R1, L2 AND R2 DOORS ALONG WITH THE EXIT IDENTIFIERS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACKS. OPERATIONAL CHECK GOOD.