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Fri, Oct 15, 2004

AD: Hartzell

AD NUMBER: 2004-21-01
MANUFACTURER:
Hartzell
SUBJECT: Airworthiness Directive 2004-21-01
SUMMARY: The FAA is superseding an existing AD for certain Hartzell Propeller Inc. (formerly Hartzell Propeller Products Division) Model HC-B5MP-3()/M10282A()+6 five bladed propellers. That AD currently requires initial and repetitive torque check inspections on the attach bolts on certain model Hartzell HC-B5MP-3 five bladed propellers, and replacement of attach bolts if necessary.This AD requires the same inspections, but reduces compliance time for the initial inspection on certain Short Brothers Ltd. Model SD3-30 airplanes to before further flight and within 100 hours time-in-service for propellers installed on certain Aerospatiale (Nord) Model 262A airplanes. This AD also requires repetitive torque check inspections at reduced intervals on SD3-30 airplanes,and requires additional visual inspections of mounting flanges, and threads in hub bolt holes, and replacement of attach bolts and hubs, if necessary. This AD results from four reports in the last 12 months of eleven cracked or failed propeller attach bolts on Short Brothers Model SD3-30airplanes. We are issuing this AD to prevent propeller separation from the airplane.

FMI: www.avantext.com/DailyADIndex.ASP?AD=20042101

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