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Airwork: Time to Pull the Plug?

After 33 years, the engine in my 1976
Cessna Cardinal, with almost 450
hours passed TBO and 20 years since
it was overhauled, may have reached
retirement age.
Tom Benenson
Gemini Sparkle

Key Takeaways:

  • The author's high-time aircraft engine (2,440 hours SMOH) develops an intermittent rough-running problem during pre-flight checks that mechanics struggle to consistently diagnose.
  • Despite inconclusive findings, mechanics recommend an engine overhaul due to its age and safety concerns, presenting the owner with a substantial estimated cost of $30,000-$40,000.
  • This critical situation forces the owner to re-evaluate the financial viability and personal value of continued aircraft ownership against the significant repair costs and ongoing annual expenses.
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Tom, I’ve got bad news for you,” Brian says when I answer the phone.

The phone call isn’t a surprise. I’ve expected the call every time my airplane was in the hands of a mechanic during the last year or so, but it isn’t welcome.

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