Fatigue Cracking Noted In Engine Mounts On Two Aircraft
The FAA has issued a Special Airworthiness Information Bulletin (SAIB) directed at owners, operators, certified repair facilities, and flight standards district offices (FSDOs), of an airworthiness concern related to Allied Ag Cat Productions, Inc., (formerly Schweizer) Models G-164A, G-164B, and G-164C with an engine conversion from a Pratt and Whitney R-985 or R-1340 radial engine to a Honeywell (Garrett) TPE331 series turboprop engine. Type Certificate Data Sheet (TCDS) No. 1A16 describes the Allied Ag Cat airplanes.