As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAIL FLAP STUCK AT ZERO IN AIR 200 KTS 1 HR INTO FLIGHT. 9 DEG C 3000' ON FLIGHT 3984 FROM MSP TO FWA. TROUBLESHOT FLAP FAILURE PER FIM 27-50-00. REMOVED AND REPLACED RIGHT BPSU AND FECU. REMOVED INSPECTED AND RE-INSTALLED THE LEFT AND RIGHT FLEX DRIVE SHAFTS. REMOVED AND REPLACED RIGHT WING FLAP ACTUATORS. NO FAULTS WITH SYSTEM AT THIS TIME. THIS CLEARS DM 73880 AND THE PLACARD WAS REMOVED.