During a routine oil change, a crack was found in the mounting flange of this engine’s oil cooler (P/N 654585).

The mechanic states, “This is the fourth instance of an oil cooler crack found by this station within the last year.

All previous cracked coolers had at least 500 hours time in service. Close examination of this area is recommended at each oil change or cowling removal.”

Part Total Time: 602.8 hours.