Thompson (TRW) Engine driven Fuel Pump

TF-1900

Letter From Beechcraft regarding the TRW Thompson Products
 Engine Driven Fuel Pumps. Dated March 13, 1981

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Thompson Service Bulletin  #ESD 182D

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Service Bulletin from TRW (5 pages, dated April 1981)

Where to get Parts and Service

Drive pin from a Thompson TF1900 fuel pump with 
350 hours (estimated) time in service. It may have more
since log book did not indicate change during last engine overhaul.