AD NUMBER: 2018-01-12 R1

PRODUCT: Airbus Helicopters Model AS350B3 helicopters

ACTION: Final Rule.

SUMMARY: The FAA is revising airworthiness directive (AD) 2018-01-12 for the aircraft listed above to correct an error.

As published, AD 2018-01-12 referenced an incorrect monostable toggle switch part number (P/N) in the preamble and regulatory text. This document corrects the error.

In all other respects, the original document remains the same.

DATES: This AD becomes effective March 2, 2018.

COST: The FAA estimates that this AD affects 86 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 workhour.

• Revising an RFM takes about 0.5 work-hour for a cost of $43 per helicopter and $3,698 for the U.S. fleet.
• Installing a timer relay for the yaw servo hydraulic switch and an indicator light takes about 9 work-hours and parts cost about $2,224.
• Replacing the ACCU TST button takes about 1 work-hour and parts cost about $2,244.

Based on these figures, the estimated total cost of $5,361 per helicopter.

FMI: AD