FAA Bulletin and Service Letter Powerplant Engine Mount Section for Air Tractor

Special Airworthiness Information Bulletin (SAIB) informs registered owners/operators of all Air Tractor, Inc. Models AT-400, AT-400A, AT-402, AT-402A, and AT-402B airplanes (under Type Certificate Data Sheets A9SW and A17SW) of an airworthiness concern. Specifically, this SAIB provides for general and detailed inspection for fatigue cracking of the engine mount tube.

Service Letter attached also

pdf iconce-11-57.pdf pdf iconsl297.pdf

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