As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL APPROX 80 KTS, MASTER CAUTION LIGHT & CHIME CAME ON INDICATING GREEN, 1 & 2, HYD PRESSURE INOPERATIVE. PERFORMED REJECT & QRH. REMOVED AND REPLACED GREEN HP MANIFOLD PRESSURE SWITCH 30WW AS A PRECAUTION IAW AMM 29-11-12-04. REPLACED GRN PRESSURE TRANSMITTER 17WV IAW AMM 29-32-13-04. BOTH LEAKED CHECKED AND OPS CHECKED GOOD DURING ENG RUNS IAW AMM 29-10-00-05.