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Thu, Oct 13, 2005

AD: Dowty Aerospace

AD NUMBER: 2005-20-12
MANUFACTURER:
Dowty Aerospace Propellers
SUBJECT: Airworthiness Directive 2005-20-12
SUMMARY: The FAA is superseding an existing airworthiness directive (AD) for Type R321/4-82-F/8, R324/4-82-F/9, R333/4-82-F/12, and R334/4-82-F/13 propeller assemblies. That AD currently requiresinitial and repetitive ultrasonic inspections of propeller hubs, part number (P/N) 660709201. ThisAD requires the same initial and repetitive ultrasonic inspections, but reduces the initial and repetitive compliance times for Type R334/4-82-F/13 propeller assemblies when used on Construcciones Aeronauticas, S.A. (CASA) 212 airplanes. This AD results from a report of a hub separation on a CASA 212 airplane. We are issuing this AD to prevent propeller hub failure dueto cracks in the hub, which could result in loss of control of the airplane.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20052012

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