As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ANC - FLT 1495 - AIR RETURN DUE WING FLAPS STUCK IN THE TAKEOFF POSITION AFTER DEPARTURE. A LANDING WAS MADE AT ANC WITHOUT INCIDENCE. MAINTENANCE CLEANED THE LEFT AND RIGHT FLAP SAFETY SWITCHES AND CHECKED THE RIGGING OF THE SWITCHES. AFTER OPERATIONAL CHECKS CONFIRMED THE FLAP SYSTEM WORKING NORMALLY, THE AIRCRAFT WAS RETURNED TO SERVICE. REFERENCE CONTROL NR HERA9501.