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AD: Bell Helicopter Textron Helicopters

AD NUMBER: 2012-22-11

PRODUCT: Bell Helicopter Textron (BHT) Model 412, 412EP, and 412CF helicopters.
SUBJECT: Airworthiness Directive 2012-22-11
ACTION: Final Rule

SUMMARY: This AD requires a repetitive inspection of the collective lever for a crack, and if there is a crack, before further flight, replacing the collective lever with an airworthy collective lever.

This AD was prompted by a reported failure of a collective lever. The actions are intended to detect a crack in the collective lever, which could lead to failure of the collective lever and subsequent loss of control of the helicopter.

DATES: This AD is effective December 20, 2012.

FMI: AD

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