As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - AFTER LIFT OFF EICAS MSG "L WING ANTI-ICE" DISPLAYED AND LT WING VALVE DISCRETE LIGHT ILLUM W/WING SW OFF. CYCLING WING SW MULTIPLE TIMES EXTING LGT. PERFORMED FIM 30-11-00 FIG 104B. REPLACED RELAY K414. SYS TEST OKAY. OK FOR SERVICE.