Leaky Faucets Prompt 787 Inspections

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Key Takeaways:

  • The FAA has ordered repetitive inspections for Boeing 787s due to leaky bathroom faucets allowing water to reach critical avionics bays and, in some cases, the flight deck.
  • The leaks are caused by faulty O-rings, releasing approximately 8 ounces of water per hour, and affect about 140 U.S. aircraft.
  • Boeing is working on a permanent fix, which will involve redesigning the faucets' internal workings.
  • This issue is the latest in a series of faults for the 787 model, which previously experienced a two-year production halt.
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The FAA says water from leaky bathroom faucets in Boeing 787s has been found in the avionics bays below and has ordered repetitive inspections until a permanent fix is found. The agency says one unidentified airline found “multiple” leaky faucets in its 787 fleet and in one case a wet carpet on the flight deck. Boeing notified airlines of the issue in November and said a faulty O-ring causes leaks of about 8 ounces an hour.

About 140 U.S. aircraft are affected, and Boeing says it’s working on a fix. That will involve a redesign of the internal workings of the faucets. It’s the latest in a series of faults with the aircraft, some of which resulted in a two-year production halt that was only lifted a few months ago.

Russ Niles

Russ Niles is Editor-in-Chief of AVweb. He has been a pilot for 30 years and joined AVweb 22 years ago. He and his wife Marni live in southern British Columbia where they also operate a small winery.
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