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Mon, Oct 17, 2005

AD: Bell

AD NUMBER: 2005-21-03
MANUFACTURER:
Bell
SUBJECT: Airworthiness Directive 2005-21-03
SUMMARY: This amendment adopts a new airworthiness directive (AD) for the specified Bell Helicopter Textron Canada (BHTC) model helicopters that requires, before the first flight of each day,checking the tail rotor blade (blade) root doublers (doublers) for an edge void or de-bond on both sides of each blade, and if an edge void or de-bond is found, replacing the unairworthy blade withan airworthy blade. This AD also requires replacing any affected serial-numbered blade with anairworthy blade. This amendment is prompted by reports of de-bond of the doublers due to inadequate surface preparation resulting in poor adherence of the doublers. The actions specified by this AD are intended to prevent loss of a blade, loss of tail rotor control, and subsequent lossof control of the helicopter.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20052103

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