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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, citing 82 failures and two fatal accidents.
  • Effective September 15, the AD mandates specific removal schedules based on cylinder operating hours, with an average compliance cost estimated at $11,520 per engine.
  • AOPA opposes the AD, arguing that the data does not justify the significant cost or the early removal of cylinders, deeming it an overly burdensome and costly measure for aircraft owners.
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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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