What was found
ON INITIAL CLIMB "SLAT FAIL" EICAS, SLAT/FLAP LEVER TO "0", RAN QRH NO HELP. SLAT INBD SHOWED AMBER "0" WITH SLAT FAIL MESSAGE. MOVED FLAP/SLAT LEVER TO 1 FOR IND, QRH SAID THEY SHOULD EXTENT. NO EXTENSION FOR SLATS, FLAPS IND "1" WITH SLAT FAIL/AOA/STICK SHAKER ANTICIPATED, DECLARED EMERGENCY, LANDED AT 170 KTS WITHOUT INCIDENT. PERFORMED MECHANICAL RIGGING OF SLAT SYSTEM IAW EMB 170 MM 27-80-00. ADJUSTED SLAT ACTUATORS ON RT WING TRACKS 7 AND 9, OPS CHECK GOOD.