What was found
WING ANTI-ICE BLUE LIGHT DID NOT ILLUMINATE WITH AIRFOIL ANTI-ICE SELECTED. FLIGHT WAS RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY ON GROUND.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WING ANTI-ICE BLUE LIGHT DID NOT ILLUMINATE WITH AIRFOIL ANTI-ICE SELECTED. FLIGHT WAS RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY ON GROUND.