What was found
TE FLAP DISAGREE EICAS MSG WHILE TRANSITIONING FROM 15 - 20 DEG, FLAPS STOPPED AT 16- 17 DEG, FL 6000 FT, 180 KTS. RAN CHECKLIST, FLAPS MOVED ELECTRICALLY TO 20. ACCOMPLISHED FIM, NO DISCREPANCIES, UNABLE TO DUPLICATE. OPERATIONS CHECKED NORMAL.