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Thu, Aug 16, 2018

AD: The Boeing Company Airplanes

AD NUMBER: 2018-17-03

PRODUCT: Certain The Boeing Company Model 787-8 and 787-9 airplanes.

ACTION: Final Rule.

SUMMARY: This AD was prompted by reports of failures of the lip heater assemblies of the inlet ice protection system of the cabin air compressor (CAC) due to chafing.

This AD requires changing the airplane electrical connectors and the routes of certain wire bundles, and installing new or modified left and right CAC inlet duct assemblies.

DATES: This AD is effective September 19, 2018.

COST: The FAA estimates that this AD affects 66 airplanes of U.S. registry. The cost of compliance is estimated as follows:

  • Change and installation: Labor - 20 work-hours × $85 per hour = $1,700 per aircraft. Parts - $32,937. Total cost per aircraft: $34,637.
FMI: AD

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