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 31 - REMOTE WELS CONTROL UNIT CONFIGURATION DOES NOT AGREE WITH OTHER WIRELESS EMERG LIGHTING SYS CONTROL UNITS. REMOVED AND REPLACED WIRELESS CONTROL UNIT AT THE L4 DOOR PER AMM 33-51-07. OPERATIONAL CHECK GOOD. REFERENCE SDR AALA201711109015 (CLOSED)