What was found
IN SLN, GOT ANTI-ICE DUCT WARNING, RAN QRH. DIVERTED TO SLN TO AVOID CLOUDS (FLIGHT 5824 - FILED CLOSED)AFTER BRIEF INVESTIGATION WITH FLIGHT CREW, IT WAS REPORTED THE LEFT WING WAS INDICATING RED ANTI ICE DUCT WARNING ON EICAS. INSPECTED LEFT WING THERMAL SENSORS FOUND LEFT WING THERMAL SENSOR S39WK DISCONNECTED FROM TERMINAL LUG TB39WK. RECONNECTED LEFT WING THERMAL SENSOR S39WK AS REQUIRED REF AMM 36-21-07. PREFORMED OPERATIONAL TEST OF THE BLEED-AIR LEAK DETECTION AND WARNING SYSTEM REF AMM 36-21-00 NO FAULTS NOTED OPS CHECKS GOOD AT THIS TIME.