As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PERFORM EMERGENCY LIGHT OPERATIONAL TEST FOUND PAX SEAT 53G FLOOR PROXIMITY LIGHT INOP REF HAECO NON-ROUTINE NO.9456320 - ORIGINATED BY EMP V903179 SPEC NO.B777-33-3-7031. PERFORMED BY EMP V903179, THE PAX SEAT 53G FLOOR PROXIMITY LIGHT ASSY REPLACED AND PERFORMED TEST FOUND NORMAL REFER AMM 33-51-05 -960-802 REV 97.