As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE, LT 14TH DUCT WARNING MESSAGE INTERMITTENTLY APPEARED THROUGHOUT FLIGHT. THE DUCTING BETWEEN THE LEFT 14TH SOV AND WING ANTI ICE VALVE ILLUMINATED RED. COMPLIED WITH THE QRH, BUT MESSAGE INTERMITTENTLY PERSISTED. DECLARED EMERGENCY AND DIVERTED. PERFORMED A SYSTEM OP CHECK IAW AMM. NO FAULTS FOUND. SYSTEM OP CHECKED GOOD.