As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SBN - FLT 4127 - FLAP EXTENSION FLAG STUCK WHEN FLAPS WERE SELECTED TO 30 DEGREES WITH A FLAP UNSTUCK WARNING. FLAPS WORKED OK AT 15 DEGREE SETTING. RESET NR 1 AND NR 2 MFC'S AND PERFORMED OPERATIONAL CHECK OF THE FLAP SYSTEM. UNABLE TO DUPLICATE DISCREPANCY. AIRCRAFT COMPLETED SATISFACTORY TEST FLIGHT. AIRCRAFT WAS RETURNED TO SERVICE. (X)