What was found
SPOILER FAIL SPOILER OLPEN INDICATION ON EICAS AFTER TAKE-OFF. VISUALLY CONFIRMED SPOILERS WERE NOT OPEN. MESSAGE STAYED ENTIRE FLIGHT. CHECKED CMC AND FOUNS INBD PROX SWITCH FAIL. TESTED PROX SWITCHES & HARNESS WITH TEST BOX, NO DEFECTS NOTED. DEOXITED C/P'S ON INBD SPOILER PROX SWITCHES. R/R SCU IAW EMB AMM 27-63-02 AND OPS CHECKED IAW EMB 27-63-01-700-801A. OPS CHECK GOOD. C/W FIM 27-63-00-810-806A STEPS 1,2,3,4,5,15 & 16.