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FAA Finalizes Controversial ECi Cylinder AD

The AD will apply to some 6,200 Continental engines, including -550 engines with ECi cylinders. Wikimedia Commons/Ahunt
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Key Takeaways:

  • The FAA has issued a controversial airworthiness directive (AD) requiring the removal of Engine Components International (ECi) cylinders from approximately 6,200 Continental engines, effective September 15.
  • The AD cites 82 ECi cylinder failures, including two fatal accidents over 11 years, and specifies varying removal deadlines based on a cylinder's time-in-service and overhaul status, with an estimated compliance cost of $11,520 per engine.
  • AOPA opposes the AD, arguing that the FAA's data does not justify the significant cost and burden for aircraft owners, and advocates for cylinders to remain in service until their recommended overhaul times.
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The FAA has published a controversial airworthiness directive requiring the removal of Engine Components International (ECi) cylinders in some 6,200 Continental engines. The average cost to comply with AD, the FAA says, will be $11,520 per engine. The AD goes into effect on September 15.

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