As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 158 - EN ROUTE KIX/DFW - EMERGENCY EXIT LIGHTS RIGHT AISLE OF COACH ILLUMINATED FOR 20 MINUTES, THEN EXTINGUISHED. LANDED DFW WITHOUT INCIDENT. REPAIRED EMERGENCY EXIT FLOOR PATH LIGHTING WIRING. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)