As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
T.E FLAP DISAGREE ON APPROACH. RAN QRH LANDED FLAPS 20. FLAPS STUCK AT 1 DEGREE OF FLAPS. HIGHEST BRAKE TEMP NOTED AFTER LANDING WAS 5 ON RIGHT GEAR AFT RIGHT WHEEL. FOUND THE FLAP/SLAT SHUTOFF VALVE INTERMITTENTLY STUCK AND REPLACED SAME. SYSTEM OPERATION IS NORMAL.