What was found
WHILE CLIMBING OUT OF 4,000 FT, RT ENGINE (2-23-05) SHUTTERED AND BEGAN VIBRATING EXCESSIVELY. RETURNED TO AIRPORT. INSPECTION REVEALED THE CAMSHAFT HAD BROKEN COMPLETELY INTO 2 PIECES, ENGINE REMOVED AND SENT TO REPAIR FACILITY FOR FURTHER EVALUATION. ENGINE TT SINCE O/H 100 HOURS. AUTHORISED RELEASE FORM SHOWED NEW PART RELEASED ON APRIL 25, 2002. (K)