As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. WHEN TOGA WAS PRESSED THE TAKEOFF CONFIGURATION WARNING LIGHT ILLUMINATED & HORN SOUNDED. TAKEOFF REJECTED AT APPROX 20 KNOTS. ACCOMPLISHED FIM TASK 27-62-00 & FOUND GND SPOILER CONTROL VLV BYPASSING. R & R VLV IAW AMM 27-62-41 & AUTO SPOILER ACTUATOR IAW AMM 27-62-31. SEE ALSO AALA 20160506001.