Stainless steel/special nickel alloy tubes Unapproved Parts Notification

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Stainless steel/special nickel alloy tubes Unapproved Parts Notification

PURPOSE:

This notification is to advise all aircraft owners, operators, manufacturers, maintenanceorganizations, parts suppliers and distributors regarding the use of stainless steel/nickel alloy tubing, manufactured by Plymouth Tube Company, 2000 Industrial Parkway, Salisbury, MD 21801 were not tested as represented. Records reviewed at Plymouth Tube Company, during a Federal Aviation Administration (FAA) suspected unapproved part investigation (SUP) do not positively confirm that all testing, as stated by Plymouth Tube Company’s Certificate of Compliances, had been satisfactorily accomplished from May 2000 to May 2008.

AFFECTED PRODUCTS:

Stainless steel/special nickel alloy tubes for critical and non-critical use on aircraft andaerospace products, produced by Plymouth Tubing Company, from May 2000 to May 2008, attheir 2000 Industrial Parkway, Salisbury, MD 21801, facility.

The following stainless/nickel alloy tube material(s): AMS, MIL-T/-304,-321,-347,-600,-625and tubes with outside diameter measuring .125”-1.0”, may not have been adequately processed and tested. Consequently, it can affect the service life on critical and non-critical products and parts used on U.S. certificated aircraft.

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