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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:

  • The author experienced a critical engine malfunction shortly after takeoff, forcing a safe emergency return to the departure airport.
  • Despite the lack of on-field maintenance, the author received extensive support and hospitality from FBO staff, local mechanics (the McClelland brothers), and fellow pilots who assisted with troubleshooting, logistics, and rescue.
  • Diagnosis revealed a destructive event in cylinder #3, later attributed to a momentary fuel injector blockage, requiring a replacement cylinder.
  • The challenging experience ultimately reinforced the strong sense of community and helpfulness within aviation, leading to a successful repair and safe journey home, despite the financial cost.
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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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