As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THE FLOOR LEVEL EMERGENCY EXIT LIGHTING BETWEEN SEAT ROWS 22 TO 24 ILLUMINATED FOR A FEW MINUTES AND THEN WENT OFF. PIT MAINTENANCE REMOVED AND REPLACED THE FLOOR LEVEL LIGHT AT SEAT ROW 24. OPERATIONAL CHECK OF EMERGENCY LIGHTING SYSTEM CHECKS NORMAL.