What was found
NR 2 EGT SLOW TO RISE, UPON RUN UP, FOUND DIFFICULT TO START, ENGINE RUNNING VERY ROUGH WITH POOR ACCELERATION. FOUND NR 2 PUSH ROD AND SHROUD BENT. REAMED ALL EXHAUST VALVE GUIDES IAW LYC SI1485B, MSB 388C, SI1425A, AND THE LYC IO390-CMM. REINSTALLED THE VALVES WITH NEW KEEPERS, ROCKER SHAFT GASKETS, REPLACED NR 2 PUSH ROD, NR 2 HYDRAULIC LIFTER ASSEMBLY, NR 2 TAPPET SOCKET, NR 2 PUSH ROD SHROUD TUBE, SHROUD TUBE SEAL, SHROUD TUBE SLEEVE.. REPLACED ALL ROCKER BOX SILICON GASKETS.