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Thu, Oct 04, 2018

AD: General Electric Company CF34-8E Engines

AD NUMBER: 2018-17-14

PRODUCT: Certain General Electric Company (GE) CF34-8E turbofan engines.

ACTION: Final Rule.

SUMMARY: This AD was prompted by a report from GE regarding a quality escape of nonconforming thrust reverser fire seals.

This AD requires a one-time inspection of the gap between the core cowl seal and the pylon seal of the thrust reverser for correct gap width, and replacement of the seals, if needed.

DATES: This AD is effective November 7, 2018.

COST: The FAA estimates that this AD affects 194 thrust reverser assemblies installed on airplanes of U.S. registry. The cost of compliance is estimated as follows:

  • Inspection - 0.25 work-hours × $85 per hour = $21.25 per engine.
  • Remove and replace thrust reverser fire seals - 2.75 work-hours × $85 per hour = $233.75. Parts - $3,228. Cost per engine $3,461.75.
FMI: AD

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