by Joe Godfrey | Dec 15, 2015 | SavvyAnalysis Puzzlers
First some old business. In the November Puzzler I used data that depicted intermittent and unusual patterns in EGT and CHT 5. I was happy to be able to include two pictures provided by our client — one showing the rocker arm on the engine lined up off-center to...
by Mike Busch | Dec 1, 2015 | AOPA Pilot Magazine, Magazine Articles
When repairs are covered by insurance, it’s the owner’s job to keep things under control. By the time he contacted me, the aircraft owner—let’s call him Fred—was boiling mad. Fred had bought an airplane last year, and the pre-buy and subsequent annual inspection gave...
by Joe Godfrey | Nov 15, 2015 | SavvyAnalysis Puzzlers
One of the classic lines in Casablanca comes from Claude Rains playing Captain Renault: “Round up the usual suspects.” In engine monitor analysis, when we see an EGT or CHT diverge from normalcy, it’s often the result of a...
by Mike Busch | Nov 1, 2015 | AOPA Pilot Magazine, Magazine Articles
When pilots screw up, plaintiff lawyers always seem to sue equipment manufacturers. In June 2014, I posted an item to the AOPA Opinion Leaders Blog titled “The Dark Side of Maintenance.” It talked about what I refer to as “maintenance-induced failures” (or “MIFs” for...
by Joe Godfrey | Oct 15, 2015 | SavvyAnalysis Puzzlers
For this Halloween Puzzler I chose three charts. The first was trick-y, and finding the source of the problem was a treat. The next one is a little scary, and the last one is downright spooky. Let’s get started. First up is the Right engine of a Baron...