As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MDIS 880 33-50 3430 21SEP22 ANC OPEN U DURING PREFLIGHT FOUND CENTER OVERHEAD EMERGENCY LIGHT OUT DURING EMERGENCY LIGHT TEST. ALL OTHER LIGHTS OPERATE NORMALLY. RELAMPED CENTER SUPERNUMERARY AREA LIGHT I..W. B777 M.M. TASK 33-51-03-960-801. ALL TEST PASSED. ORIG SUB DATE: 9/22/2022