As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EROSION OF THE "PLATING MATERIAL" ON THE FACE/INLET OF THE TUBE WHICH THEN PROCEEDS TO MIGRATE DOWN THE BARREL OF THE TUBE. PITOT TUBE HAS THEN BEEN INSTALLED AND THE CORRESPONDING RECONNECT/LEAK AND CERTIFICATION CHECKS HAVE BEEN PERFORMED TO RETURN THE ACFT TO SERVICE.