As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AHM ALERT, CLASS 31, REMOTE CONTROL UNIT CONFIGURATION DOES NOT AGREE WITH OTHER WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNITS. FAULT CODE 33-12131. MAINTENANCE REPLACED THE L4 DOOR WIRELESS EMERGEMCY LIGHT SYSTEM CONTROL UNIT IAW AMM 33-51-07. OPS CHECKED NORMAL.