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Mon, Nov 02, 2009

AD: Bell Helicopter

AD NUMBER: 2009-22-11

MANUFACTURER: Bell Helicopter Textron Canada Model 407 and 427 Helicopters
SUBJECT: Airworthiness Directive 2009-22-11

SUMMARY: This AD results from a mandatory continuing airworthiness information (MCAI) AD issued by the aviation authority of Canada. The MCAI AD states that, during a preflight check, it was observed that the swashplate link assembly bearing had moved in the lever race, making contact with the swashplate support. The MCAI also states that further investigation revealed that the bearing had not been staked correctly during manufacture. That condition, if not detected, could result in failure of a bearing, failure of the swashplate link assembly, and subsequent loss of control of the helicopter.

FMI: http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/0/0094DCA4BB26A6948625765F00499F35?OpenDocument

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