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Fri, Mar 14, 2014

AD: Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

AD NUMBER: 2014-05-07

PRODUCT: Eurocopter France (Eurocopter) Model AS350B, BA, B1, B2, C, D, and D1 helicopters and Model AS355E, F, F1, F2, and N helicopters with certain part-numbered tail gearbox (TGB) control levers installed.
SUBJECT: Airworthiness Directive 2014-05-07
ACTION: Final Rule

SUMMARY: The FAA is superseding airworthiness directive (AD) 2010-11-51 for the product listed above.

AD 2010-11-51 required repetitive visual inspections of the TGB control lever for a crack and replacing a cracked TGB control lever with an airworthy TGB control lever. This new AD retains the requirements of AD 2010-11-51 and also requires inspecting other areas of the TGB control lever not previously inspected and at additional inspection intervals.

This AD was prompted by several reports of cracking in a TGB control lever. The actions of this AD are intended to prevent failure of the TGB control lever, loss of tail rotor control, and subsequent loss of control of the helicopter.

DATES: This AD is effective April 15, 2014.

FMI: AD

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