As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT LANDED WITHOUT INCIDENT. CREW REPORTED ON APPROACH SELECTED FLAP 30 AND THEY REMAINED AT FLAP 15. CYCLED FLAP LEVER TO 15 THEN BACK TO 30, FLAPS WOULD NOT MOVE FROM FLAP 15. MAINTENANCE VISUALLY INSPECTED FLAPS AND SLATS AND CYCLED FLAPS FULL UP AND DOWN, 3 TIMES. NO DEFECTS NOTED. PERFORMED FIM 27-81 TASK 803 AND 27-51 TASK 801. NO EXISTING FAULTS. OPERATIONAL CHECKS GOOD AND AIRCRAFT RELEASED ON LOG PAGE 1335664.