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Tue, Oct 15, 2019

AD: The Boeing Company Airplanes

AD NUMBER: 2019-16-13

PRODUCT: Certain Boeing Model 777-200 and -300 series airplanes.

ACTION: Final Rule.

SUMMARY: This AD was prompted by reports of unreliable performance of the water and fuel scavenge system; failure of the fuel scavenge function can cause trapped fuel, resulting in unavailable fuel reserves.

This AD requires incorporating operating limitations; or modifying the water and fuel scavenge systems in the fuel tanks, modifying the fuel jettison system, making electrical changes in the main equipment center, modifying the wiring in certain panels, and installing new software.

DATES: This AD is effective November 14, 2019.

COST: The FAA estimates that this AD affects 111 airplanes of U.S. registry. Operators may incur the following costs in order to comply with this AD:

  • Incorporation operating limitations 1 work-hour × $85 per hour = $85 per aircraft.
  • Fuel system modification: Labor - 850 work-hours × $85 per hour = $72,250 per aircraft. Parts - $85,572. Cost per aircraft - $157,822.
  • P110 and P210 equipment panel changes: 2 work-hours × $85 per hour = $170 per aircraft.
FMI: AD

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