What was found
FLAPS STUCK AT 9. WITH FLAPS FAIL ON EICAS. MESSAGE FLAP LT TRANS FAIL IAW FIM 27-51-00-810-816-A. FOUND LT FLAP VELOCITY SENSOR C/P 3 REVOLUTIONS LOOSE, TIGHTENED PLUG AND CHECKED ALL PLUGS IN FLAP DRIVE SYSTEM OPS CK PER MM 27-51-00-700-801-A. OPS CHECK GOOD NO MESSAGES ON EICAS OR CMC, OK FOR SERVICE.