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Of Metal Specifications, Thread Pitch And Torque

A number of years ago, a fellow owner and I both noticed an unusual shimmy in the main gear of our 182 on landing roll out. My first thought was a warped brake rotor, but the vibration didnt seem to be affected by the application of brakes. Hmm. While it didnt seem like a big deal, it wasnt right either, so we had the mechanic take a look.

Gemini Sparkle

Key Takeaways:

  • An unusual shimmy in a landing gear led to the discovery of a critical bolt that had failed due to progressive metal fatigue, underscoring the importance of investigating subtle aircraft warnings.
  • Improper reassembly of a tailwheel, specifically the omission of required spacers, resulted in immediate part failure due to excessive stress, highlighting the necessity of correct maintenance procedures.
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A number of years ago, a fellow owner and I both noticed an unusual shimmy in the main gear of our 182 on landing roll out. My first thought was a warped brake rotor, but the vibration didn’t seem to be affected by the application of brakes. Hmm. While it didn’t seem like a big deal, it wasn’t right either, so we had the mechanic take a look.

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