As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HORIZONTAL STABILIZER LOWER PRIMARY TRIM CONTROL VALVE FOUND FLOW CONTROL VALE BORE .75" PRESSURE PASSAGE BORE WITH A METAL ORIFICE PLUG STUCK IN IT. THIS IS AREA OF HFEC INSP AND WAS UNABLE TO COMPLY WITH THIS PROCEDURE DUE TO BLOCKAGE. REPLACED LOWER PRIMARY TRIM CONTROL VALVE WITH SERVICEABLE ONE.