AD NUMBER: 2014-05-06 R1

PRODUCT: Eurocopter Deutschland GmbH Model EC135 and MBB-BK 117C-2 helicopters.

ACTION: Final Rule.

SUMMARY: The FAA is revising Airworthiness Directive (AD) 2014-05-06 for the aircraft listed above.

AD 2014-05-06 required repetitive inspections of the flight-control bearings, replacing any loose bearings with airworthy flight-control bearings, and installing bushings and washers.

This new AD retains the requirements of AD 2014-05- 06 but removes the repetitive inspections. T

DATES: This AD is effective January 22, 2019.

COST: The FAA estimates that this AD affects 295 Model EC135-series helicopters and 117 Model MBB-BK
117C-2 helicopters of U.S. Registry. Operators may incur the following costs in order to comply with this AD:

Labor costs are estimated to be $85 per hour.

• For EC135 helicopters, completing the required modification requires about 32 work-hours and parts cost about $312, for a total cost of $3,032 per helicopter.
• For MBB-BK 117C-2 helicopters, completing the required modification requires about 32 work-hours and parts cost about $396, for a total cost of $3,116 per helicopter.

FMI: AD