As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 596 PHX-MCI - EEL - FLIGHT ATTENDANT REPORTED TO COCKPIT THAT EXIT SIGNS 2 LEFT AND 2 RIGHT WERE NOT ILLUMINATED. EMERGENCY EXIT LIGHT SWITCH IN ARMED POSITION. EXIT SIGNS DID ILLUMINATE IF SWITCH WAS PLACED IN THE ON POSITION. MAINTENANCE RESEATED THE CONNECTOR ON THE EMERGENCY POWER SUPPLY UNIT, FIN 13WL, LEFT AFT. OPERATIONAL CHECK WAS NORMAL.