As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THERE WAS A 40 KNOT DIFFERENCE BETWEEN CAPT S AND F/O AIRSPEED INDICATION ON TAKEOFF ROLL. CAPT REJECTED T/O AT APPROXIMATELY 80 KNOTS. ON WALK AROUND, FOUND CAPT PITOT COVER INSTALLED. REMOVED IAW AMM 10-11-00-02. NO FURTHER DEFECTS NOTED, A/C OK FOR FLIGHT.