As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER 300-HOUR INSPECTION ON AIRCRAFT, TEMPERATURE SENSOR CONNECTION WAS LEFT DISCONNECTED. THIS CAUSES KDC481T TO GO TO A DEFAULT MODE AND LIMIT IAS FUNCTION TO 88 KNOTS. NO ERROR CODES WERE GIVEN EXCEPT VMO LIMIT. KDC481T WAS REPLACED TWICE BEFORE LOOSE CONNECTOR WAS FOUND.