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Tue, Oct 08, 2019

AD: Sikorsky Aircraft Corporation Helicopters

AD NUMBER: 2019-19-12

PRODUCT: Sikorsky Aircraft Corporation (Sikorsky) Model S-76C helicopters.

ACTION: Final Rule.

SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2018-10-07 for the aircraft listed above.

AD 2018-10-07 required inspecting the engine collective position transducer (CPT). This new AD retains the requirements of AD 2018-10- 07 and expands the applicability.

This AD is prompted by the determination that an additional part-numbered engine CPT is affected by the same unsafe condition.

DATES: This AD is effective November 8, 2019.

COST: The FAA estimates that this AD affects 115 helicopters of U.S. Registry. Operators may incur the following costs in order to comply with this AD:

  • Labor costs are estimated at $85 per work-hour. The inspections take about 3.75 work-hours for an estimated cost of $319 per helicopter per inspection cycle.
  • Replacing a CPT takes about 6 work-hours and parts cost $3,072 for an estimated replacement cost of $3,582.
FMI: AD

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