As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE VISIT: MAINTENANCE REPORTS UPON INSPECTION OF EMERGENCY LIGHTS SYSTEM. FOUND ROW 13D-18D INOP. REMOVED AND REPLACED WIRELESS EMERGENCY LIGHT SYSTEM CONTROL BATTERY AT SEAT 18D IAW AMM B787 33-51-0-02. OPS CHECK OK FOR SERVICE.