As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL AT 80KNOT CALL F/O AIRSPEED INDICATOR SHOWED 40KTS, REF MM 34-11-15-6/34-10-00-5. INSPECTED F/O'S PITOT TUBE. DISCOVERED SLIGHT BLOCKAGE. CLEANED PITOT TUBE, PERFORMED AIRSPEED ADJUSTMENT AND TEST. TESTED BOTH CAPT'S AND F/O'S INDICATION OF 200KTS WITH TEST SET. BOTH INDICATIONS CHECK GOOD. ACFT OK FOR SERVICE.