As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. FLIGHT ATTENDANTS REPORT EMERGENCY EXIT LIGHT ON AFTER TAKEOFF. TRIED COCK PIT SWITCH ALL POSITIONS AND NO CHANGE. FLIGHT ATTENDANT PANEL SWITCH APPEARS NORMAL. PERFORMED DEACTIVATION/ACTIVATION OF CABIN EMERGENCY LIGHT SYSTEM PER AMM 33-51-00. OPERATIONS CHECK GOOD.