As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL, WHEN FLAPS SELECTED FROM 20-25 DEGREES, TRAILING EDGE FLAP DISAGREE LIGHT CAME ON. FLAPS STOPPED AT 20 DEGREES AND WOULD NOT MOVE. LANDED WITH FLAPS 20 DEGREES. REPLACED TRAILING EDGE ALTERNATE FLAP SWITCH ASSEMBLY AND CIRCUIT CARD. FLAPS WERE CYCLED SEVERAL TIMES. CHECKS O.K.