As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: UPON INSTALLING AFT OF R2 DOOR CLOSET FOUND UPPER CONNECTOR WIRES DAMAGED. REPAIRED THE WIRES AT SPLICES DL9301A AND DL9301B AND SATISFACTORY TEST THE EMERGENCY LIGHT EXIT-SIGN AT DOOR 2 CLOSET AS REF-B777 WDM-33-51-22 AND B777 AMM 35-51-01-960-801.