As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FLAP FAILED AT FLAPS 10 POSITION DURING FINAL APPROACH TO LANDING. USED ALTERNATE FLAP SYSTEM SUCCESSFULLY. AIRCRAFT LANDED SAFELY AT STL WITHOUT FURTHER INCIDENT. PERFORMED FIM TASK 27-51-00-810-820 NO DEFECTS. PERFORM FIM TASK 27-51-00-810-849 TRAILING EDGE FLAP TRANSMISSION TORQUE TRIP INDICATOR NO DEFECTS NOTED.