As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT RECEIVED RT WING ANTI-ICE CAUTION MSG IN STBY MODE. 14TH ISO WAS INTERMITTENT, OPEN & CLOSED. PICKING UP ICE ON RT WING WHILE RT WING ANTI-ICE MSG WAS OUT, WING SHOULD BE HEATING & WING & COWL ADVISORY MSG'S WERE ON NORMAL MODE IS ON MEL. EMER DECLARED. R & R RT PRESS SWITCH IAW AMM 30-12-00. OPERATIONS CHECK OF NORM MODE IS GOOD. PLACARDED & PLACED ON MEL. SN OFF 3018 & SN ON 4785.