What was found
DURING ANNUAL INSPECTION, FOUND LEFT MAIN GEAR TRUNNION, P/N 67735-00V, CRACKED THROUGH WEB AREA AND INTO CASTING APPROX .75 INCH. PIPER SL 616 ALLOWS FOR THE EXISTING .191 INCH HOLE TO BE ENLARGED TO .500 INCH IN DIAMETER TO REMOVE CRACKED AREA, BUT THIS CRACK HAD ALREADY EXTENDED TOO FAR UP INTO THE CASTING. REPLACED WITH A SERVICEABLE, NEW STYLE TRUNNION WHICH INCORPORATES A MUCH THICKER WEB. AIRCRAFT TT: 3,352 HOURS. (X)