As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRSPEED INDICATOR FAILURE DUE TO PITOT TUBE COVER REMAINING ON PITOT TUBE. COVER REMAINS ON THE TUBE DURING THE DAY WHEN HELICOPTER NOT IN SERVICE TO PREVENT BUGS FROM ENTERING THE PITOT TUBE WHILE ON GROUND, WHICH HAS OCCURRED IN IMMEDIATE HISTORY.