As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRPLANE HEALTH MONITORING ALERT MESSAGES FOR AN INTERNAL FAULT ON THE L3 DOOR AFT SEAT REMOTE WIRELESS EMERGENCY LIGHTING SYSTEM CONTROL UNIT. FAULT CODES 33-12125 AND 33-12127. ACCOMPLISHED SYSTEM CONFIGURATION IAW AMM DMC-B787-A-33-51-00-03A-300D-A AND EMERGENCY LIGHTS BITE TEST IAW AMM B787-A-33-51-00-07A-343A-A. NO FAULTS FOUND. OPERATIONAL CHECKED GOOD.