As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GALLEY NO.5 LEFT SIDE AFT FLOOR PROXIMITY LIGHT MALFUNCTION REF HAECO NON-ROUTINE NO.9450205 - ORIGINATED BY EMP V903217 SPEC NO .B787-33-3-0002. PERFORMED BY EMP V903194, IDT BY EMP V903217. REPLACED GALLEY NO.5 LH SIDE AFT FLOOR PROXIMITY LT AND FUNCTION TEST ''NORMAL'' REF AMM 33-51-06-00A-720A REV 170.