As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KSM - FLT 5691 - ON DESCENT, THE WING FLAPS BECAME STUCK IN THE APPROACH POSITION. A LANDING WAS MADE WITHOUT INCIDENCE. THE AIRCRAFT WAS THEN REPOSITIONED TO ANC ON A SPECIAL FLIGHT PERMIT. AFTER TROUBLESHOOTING THE WING FLAP SYSTEM, MAINTENANCE REMOVED AND REPLACED THE LEFT INBOARD AND THE RIGHT OUTBOARD FLAP DRIVE CABLES. THE AIRCRAFT WAS THEN RETURNED TO SERVICE. REFERENCE CONTROL NR HERA9504.