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Tue, Oct 30, 2018

AD: Pratt & Whitney Turbofan Engines

AD NUMBER: 2018-22-06

PRODUCT: All Pratt & Whitney (PW) PW2037, PW2037M, and PW2040 turbofan engines.

ACTION: Final Rule.

SUMMARY: This AD was prompted by an uncommanded high thrust event that occurred during approach on January 16, 2016, and during landing on April 6, 2016.

This AD requires removal of the metering valve pilot valve (MVPV) within certain fuel control units (FCUs) and the MVPV's replacement with a part eligible for installation.

DATES: This AD is effective December 3, 2018.

COST: The FAA estimates this AD affects 212 engines installed on airplanes of U.S. registry. The FAA is estimating that the MVPV will be replaced with a new part on 106 engines and replaced with a repaired part on the remaining 106 engines. Operators may incur the following costs in order to comply with this AD:

  • Replace MVPV with repaired part $6,490 per aircraft.
  • Replace MVPV with new part $25,482 per aircraft.
FMI: AD

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