As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - INFLIGHT T1776/24JUN. CREW REPORTED NR ONE ENGINE START VALVE INDICATION AFTER TAKEOFF. CREW SHUT DOWN ENGINE. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. SINGLE ENGINE TIME EIGHT MINUTES. FOUND OUTBOARD ANTI ICE VALVE NOT CLOSING COMPLETELY. REPLACED OUTBOARD ANTI ICE VALVE ON NUMBER ONE ENGINE. SYSTEM GROUND CHECKED NORMAL OPERATION. (A)