What was found
ON FINAL, AFTER SLECTING FLAPS 20, FLAPS STOPPED AT APPROX 17 AND RECEIVED A TE FLAPS DISAGREE EICAS. QRH COMPLIED WITH IAW FIM 27-51-803/808, T/E FLAP DISAGREE, VISUAL INSPECTION OF FLAP SYSTEM. NO MAJOR DEFECTS IN FLAPS OR FLAP TRANSMISSION. FLAPS RETRACTED USING ALTERNATE SYSTEM AND OBSERVED TO OPERATE AND INDICATE CORRECTLY IAW AMM 27-58-00. FSEU BITE PERFORMED IAW FIM 27-51-00. NO FAULTS PRESENT ON ANY FSEU. RESOLVER POSITIONS CHECKED TO CORRESPOND WITH T/E FLAP POSITION. OPS TEST OF FLAPS AND FLAP POSITION INDICATION SYSTEM IAW AMM 27-51-00 AND AMM 27-58-00. NO FURTHER FAULTS OBSERVED. ALL TESTS AND INDICATIONS SATISFACTORY.