As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ICING WING PRIMARY ICE DETECTION SYSTEM (LEFT OR RIGHT ICE DETECTORS) DETECTS ICE, AND THE WING ANTI-ICING (WAI) SWITCH IS OFF. *S/D* REPLACED RIGHT WING ANTI-ICE VALVE PER MM 30-11-03 & ACCOMPLISHED OPS CHECKS PER MM 30-11-00, ALL OPS & INDICATIONS NOW NORMAL.