As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EVENT SUMMARY STATED REJECTED TAKEOFF AT 40KT DUE TO LT COWL ANTI-ICE CAUTION MSG. TROUBLESHOOTING CONFIRMED THE PROBLEM, AND RTG. REMOVED AND REPLACED LT COWL ANTI ICE VALVE REF AMM 30-22-01. PERFORMED OPS CHECK OF ANTI ICE. OPS CHECK GOOD.