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Thu, Mar 08, 2018

AD: The Boeing Company Airplanes

AD NUMBER: 2018-04-12

PRODUCT: All Boeing Model 737-100, -200, -200C, -300, -400, -500 series airplanes.

ACTION: Final Rule.

SUMMARY:  This AD was prompted by a report of wire damage on a fuel boost pump power cable, and a separate report of a fuel tank explosion on a similarly equipped airplane.

This AD requires the installation of new shielded wire bundles and convoluted liners within fuel tank conduits, and revision of the maintenance or inspection program, as applicable, to incorporate certain airworthiness limitations (AWLs).

DATES: This AD is effective April 9, 2018.

COST: The FAA estimates that this AD affects 499 airplanes of U.S. registry. The following costs are estimated to comply with this AD:

  • Installation - $18,651 per aircraft for parts and labor.
  • Incorporation of Airworthiness Limitations - $85 per aircraft.
FMI: AD

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