As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT BEGINNING OF TAKEOFF ROLL F/O AIRSPEED INDICATOR RED FLAG APPEARED & ''''0'''' KNOTS INDICATED. CAPTAINS AIRSPEED INDICATOR NORMAL & INDICATING 80 KNOTS. REMOVED INDICATOR, CLEANED RESEATED BOTH CONNECTOR PLUGS. PERFORMED AIR DATA SELF-TEST. AMM 34-12-22 PAGE 403. NO DEFECTS NOTED. STATUS-CLOSED.