As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLAP/SLAT HANDLE WOULD NOT LOCK IN THE UP/RETRACT POSITION. TRIGGER ON LEFT SIDE OF HANDLE WILL NOT GO DOWN. RETURNED TO DFW AND LANDED WITHOUT INCIDENT. REPLACED BROKEN SPRING ON LEFT SIDE OF FLAP HANDLE. SYSTEM GROUND CHECKED NORMAL OPERATION.