What was found
(CAN) PILOT REPORTED: SMALL AMOUNT OF OIL ON RT FLAP, DURING INSPECTION THE NR 2 EXHAUST PUSH ROD WAS FOUND BENT AND HAD BROKEN THE PUSH ROD TUBE HOUSING. LIFTER WAS FOUND TO BE WORKING PROPERLY BUT HAD A SMALL CHIP WHICH REQUIRED REPLACING. INSIDE CYLINDER WAS INSPECTED WITH BORESCOPE, NO DAMAGE FOUND. ALL REMAINING LIFTERS, ROCKERS, PUSH ROD AND TUBES REMOVED AND INSPECTED NO DAMAGE FOUND. ALL EXHAUST GUIDES REAMED CLEAN IAW MM. VALVE TRAIN REASSEMBLED AS REQUIRED.