As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A ROUTINE INSPECTION 2 OF THE 6 SCREWS SECURING CONTROL COLUMN UPPER ELBOW TO THE CONTROL COLUMN UPPER TUBE ASSY WERE FOUND LOOSE. FURTHER INVESTIGATION REVEALED THE THREADS IN THE CONTROL COLUMN UPPER ELBOW WHICH IS A MACHINED CASTING WERE STRIPPED.