As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - DURING OVERNIGHT MAINTENANCE CHECK, EMERGENCY FLOOR PATH LIGHTING FROM SEAT ROW 25 DEF THROUGH FIRST CLASS FOUND INOPERATIVE. REPLACED CORRODED SECTION OF EMERGENCY EXIT PATH LIGHT STRIP CONDUCTOR ASSEMBLY AT SEAT ROW 3 EF. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)