What was found
FLT#34, SFO-BOS. (AIRCRAFT DECLARED AN EMERGENCY INTO BOS) 'F/CTL SLATS FAULT WHEN FLAP HANDLE MOVED TO 1 DURING APPROACH. ECAM/QRH RECYCLE UNSUCCESFUL. SLATS STUCK AT 0. WHEN FLAP HANDLE MOVED TO 2 DURING QRH PROCEDURE, FCTL ALTN LAW ECAM OCCURRED. LANDING PERFORMED WITH FLAPS 3, SLATS 0, DIRECT LAW APPROACH SPEED 163; REMOVED AND REPLACED SFCC 1 IAW AMM 27-80-00. OPS CHECK GOOD. ALL VALUES ON PPN WERE WITHIN LIMITS. ALSO REFERENCE LP 3780915, ITEM 1. REMOVED AND REPLACED SLAT (LH) ACTUATOR 6041CM PER AMM TASK 217-84-49-000-002-A. OPS CHECK GOOD.