As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER SHUTDOWN, SWITCH FOR EMERGENCY EXIT LIGHTING WAS PLACED "OFF" AND ALL THE EMERGENCY EXIT LIGHTING TURNED ON AND STAYED ON. GROUNDED - YES. AFT CABIN EMERGENCY LIGHT WAS STUCK IN THE ON POSITION. READJUSTED LIGHT COVER AND OPERATIONAL CHECK IS NORMAL. REF B737-800 AMM 33-51-00-720-801.