About this episode
Not long ago, there was an oil leak on the right engine of a Cessna 414. The leak was significant enough to come out the louvers on the top cowling in flight. There was oil all over the rear inboard area of the engine, so the big question was, “Where is the oil leak coming from,” or “Where is the source?”
With so many possibilities, it was difficult to find the leak.
After multiple cleanings and ground runs, it was becoming more clear.
It was still however, hard to be certain. It seemed to be coming from the inboard forward base of the oil cooler. A flashlight and small mirror were somewhat helpful to see the area:
The borescope was also helpful to take a closer look:
