As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ZONE A LH AISLE CEILING EMERGENCY LIGHT CAPACITY CHECK FAILED REF HAECO NR NO.9473844 - ORIGINATED BY EMP V905376, SPEC NO.B777-33-3-7011. PERFORMED BY EMP V905376, RII BY EMP V905342,CABIN L1 DOOR EMERGENCY LIGHT BATTERY M33424 REPLACED AND INSTALLATION TEST CARRIED OUT,RESULT NORMAL REF AMM 33-51-06-960-802 REV.99.