What was found
(CAN) AIRCRAFT IN-FLIGHT, OVER LETHBRIDGE CLIMB-OUT. BIG BANG, NR 2 CYLINDER EXITED LEFT COWL, OIL ALL OVER. PILOT LANDED AIRCRAFT AT LETHBRIDGE. ENGINE MADE ENOUGH POWER TO GET AIRCRAFT TO AIRPORT. CYLINDER NOT FOUND. SMALL PART OF PISTON, RINGS, HYDRAULIC LIFTER, FOUND IN COWL, NO PISTON PIN FOUND.