As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL ABOVE 80KTS CAPT AND F/O AIRSPEED INDICATIONS DISAGREED. F/O AIRSPEED AND ALTITUDE WERE RELIABLE. EEC'S SWITCHED TO ALTERNATE.<[01] FOUND INSECT STUCK IN CAPT PITOT PROBE. REMOVED PROBE AND BLEW INSECT OUT WITH COMPRESSED AIR. INSTALLED CAPT PITOT PROBE PER AMM 34-11-01. LEAK AND OPS CHECK GOOD PER AMM 34-11-00.