As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS NOT GROUNDED. **AHM ALERT** CLASS 07 - DOOR 4 LT REMOTE WELS CONTROL UNIT CONFIGURATION DOES NOT AGREE WITH OTHER WIRELESS EMERG LIGHTING SYS CONTROL UNITS. REMOVED AND REPLACED WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT AT THE L4 DOOR PER AMM 33-51-07. OPERATIONAL CHECK GOOD. REFERENCE SDR AALA201711109019 (CLOSED)