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Sat, Aug 10, 2019

AD: Bombardier, Inc. Airplanes

AD NUMBER: 2019-15-0

PRODUCT: Certain Bombardier, Inc., Model BD-100-1A10 (Challenger 300) airplanes.

ACTION: Final Rule; Request for comments.

SUMMARY: This AD was prompted by a report of a mis-installed no-back pawl discovered on a horizontal stabilizer trim actuator (HSTA).

This AD requires an inspection to verify the horizontal stabilizer trim electronic control unit (HSTECU) part number, a software upgrade for certain HSTECUs, and installation of HSTECUs with upgraded software.

DATES: This AD becomes effective August 23, 2019. Comments must be received by September 23, 2019.

COST: The FAA estimates that this AD affects 9 airplanes of U.S. registry. Operators may incur the following costs in order to comply with this AD:

  • Labor: Up to 4 work-hours × $85 per hour = Up to $340
  • Parts: Up to $27,138
  • Cost per Aircraft: Up to $27,478
FMI: AD

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