As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS IN THE FIRST CLASS CABIN WILL NOT TURN OFF WHEN AIRCRAFT WAS SHUTDOWN. CHECKED AND MAINTENANCE MESSAGE FAULT 45-16571, AND 42-01065. TROUBLESHOT IAW AMM 33-51-07. REPLACED THE L1 WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT, SOFTWARE LOAD WAS ACCEPTED.