Rough Engine

Understanding the underlying causes of engine roughness is the key to eliminating it. One of the most common squawks reported by pilots and aircraft owners is a rough-running engine. If the roughness can be duplicated during a ground runup, then the mechanic might...

Thinking Slow

Why many career A&Ps are not great troubleshooters. I recently had a fascinating exchange with my friend and colleague Paul New. Paul is an A&P/IA and a truly extraordinary aircraft mechanic who was honored by the FAA as the National Aviation Maintenance...

AOG Rescue

A mechanical problem away from home is every aircraft owner’s worst nightmare. Here’s how one owner dealt with such a nightmare…with a little help. On an otherwise-peaceful Saturday morning, I received a panicky text message from Mark, a Cessna 185 owner from the San...

The Blame Game

When “stuff happens” to your aircraft, it’s not always someone else’s fault. Regular readers of this column know that I grumble a lot about “stupid mechanic tricks” made by career A&Ps who should know better. Some have accused me of mechanic-bashing. That’s a bit...

Separation Anxiety

Can we prevent these catastrophic head-to-barrel separations? On February 24, 2012, the National Transportation Safety Board issued Safety Recommendation A-12-7 to FAA acting administrator Michael Huerta, expressing great concern over 29 cylinder head fatigue failures...