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Engine Troubleshooting in Double Time

With my Piper Arrow loaded to its full capacity of four people (including me, two journalists, and an environmental executive director), the Lycoming IO-360 engine decided it no longer wanted to participate at full power.

Twin brothers Kip and Koby McClelland have both pursued careers in aviation maintenance. [Les Abend]
Gemini Sparkle

Key Takeaways:

  • An in-flight engine failure in cylinder #3 forced the pilot to make an immediate and safe return to the departure airport with passengers.
  • Despite initial challenges in finding on-field maintenance, the pilot received significant assistance from various individuals, including mechanics, FBO staff, and fellow pilots, in diagnosing and repairing the issue.
  • The problem, identified as a destructive event in the #3 cylinder and likely caused by a momentary fuel injector blockage, was eventually resolved with a new cylinder after about two weeks.
  • The experience, though serious and costly, ultimately highlighted the invaluable support from the aviation community and underscored the importance of handling emergencies promptly to avoid worse outcomes.
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Knock on wood: I’ve been fortunate not to have experienced an in-flight mechanical event of any consequence with any of the airplanes I’ve owned. Until recently. And despite the seriousness of the event, the aftermath included positive aspects.

With my Piper Arrow loaded to its full capacity of four people (including me, two journalists, and an environmental executive director), the Lycoming IO-360 engine decided it no longer wanted to participate at full power. Instead, the engine protested by shaking the airplane with a pronounced vibration barely five minutes into the climb out. As though to scold me, the digits of the engine monitor display began to flash high EGT and high CHT numbers on the number-3 cylinder. I cringed.

Les Abend

Les Abend is a retired, 34-year veteran of American Airlines, attempting to readjust his passion for flying airplanes in the lower flight levels—without the assistance of a copilot.

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