As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, "TE FLAP DISAGREE" LIGHT AND EICAS MSG WHEN GOING FROM FLAPS 15 TO 20. RAN QRH AND LANDED FLAPS 20. REF FIM 27-51 FT 808, NR 1 FSEU HAS INTERMITTENT FAIL DURING BITE CHECK. NO OVERLOAD INDICATORS TRIPPED. REMOVED AND REPLACED NR 1 FSEU AND CHECK NORMAL REF MM 27-51-01-2. OK FOR SERVICE.