What was found
ON APPROACH, FLAPS PLACED TO FLAP 1, FLAP FAIL EICAS MSG. FOLLOWED QRH PROCEDURES, FINAL FLAP CONFIGURATION, 0 SLAT, 0 FLAP, ORIGINALLY SLATS 3 ONL AND FLAPS 0. REMOVED AND REPLACED RT IB FLAP OB ACTUATOR (NR 2 RT)IAW MM 27-51-01. OPS CHECK OK. (K)