As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OHAR EMERGENCY LIGHT TEST FOUND ALL THE OHAR EMERGENCY LIGHTS NOT ILLUMINATED REF TO HAECO NON-ROUTINE NO. 9481114, ORI GINATED BY EMP V905400, SPEC NO. B777-33-3-7028. PERFORMED BY EMP V905400, REPLACED OHAR EMERGENCY LIGHT POWER SU PPLY AND BATTERY, AND PERFORMED THE LIGHT TEST, THE RESULT FOUND NORMAL REF AMM 33-51-15-800-801 AND 33-51-15-700-801 REV 94. IDT BY EMP V905307.