What was found
AIRCRAFT''S PITCH TRIM JAMMED IN-FLIGHT AND A SUCCESSFUL LANDING WAS MADE. UPON INSPECTION, MECHANICS FOUND THE SAFETY CLIP THAT HOLDS TH MASTER LINK TOGETHER CAME OFF AND THEN BENT THE MASTER LINK. THE MASTER LINK IS PART OF A CHAIN ASSY LOCATED IN THE PEDESTAL OF THE COCKPIT TRANSFERRING THE MOTION OF THE ELEVATOR TRIM WHEEL TO TEH CABLE SYSTEM. THE CHAIN ASSY WAS REPLACED AND SYSTEM WORKED FINE. SUBMITTER STATED SPECIAL ATTENTION SHOULD BE ADDRESSED TO THE MASTER LINK ON PHASE 5 INSPECTIONS.