What was found
REJECTED TAKE OFF AT 50 KNOTS DUE TO SPS ADVANCED AND FLAP LOW SPEED ON EICAS. FOUND "FLAP FEEDBACK POS FAIL" ON CMC. R&R FPTU IAW AMM 27-53-05. OPS CHECK GOOD. ALSO INSPECTED CANON PLUGS ON FECU, FPTU, AND FLAP SELECTOR LEVER. NO DEFECTS NOTED AT THIS TIME