As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED SLC/LT WING ANTI-ICE EICAS MSG AND OVHD DISCRETE VLV LIGHT WITH WING SWITCH ON. NORMAL WHEN SWITCH OFF. CYCLED WING ANTI-ICE C/B, RAN APU CYCLED BOTH VALVES CK NML. A/C DIVERTED 2ND TIME W/LT WING ANTI-ICE EICAS MSG AND OVERHEAD DISCRETE VLV LIGHT WHEN WING ANTI-ICE SW SEL ON. REPEAT/ REPLACED LT WING ANTI-ICE VLV, VLV CK NML.