What was found
DFW INFLIGHT - NUMBER ONE ENGINE START VALVE INDICATION. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED NUMBER ONE ENGINE START VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW INFLIGHT - NUMBER ONE ENGINE START VALVE INDICATION. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED NUMBER ONE ENGINE START VALVE. SYSTEM GROUND CHECKED NORMAL OPERATION.