As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS COME ON IMMEDIATELY BY THEMSELVES. AFT CABIN EMERGENCY LIGHTS DON'T TURN OFF WITH SWITCH IN OFF POSITION. FOUND AFT MODULE M1672 TEST BUTTON STUCK IN TEST MODE. CYCLED BUTTON AND PERFORMED EMERGENCY LIGHT TEST . OPS CHECK NORMAL REFERENCE AMM 33-51-00-720-801. ADD EMP:U030756