EASA Regulations for Textron Aviation T337

EASA SIB AIR-21-16

Seat Back Attachment Bolt Inspection

Special Airworthiness Information Bulletin SAIB: AIR-21-16 is an FAA information bulletin addressing a seat back attachment bolt inspection for various Textron Aviation (formerly Cessna Aircraft Company) models including the 172 series, 177 series, 180 series, 182 series, 188 series, 200 series, and 300 series airplanes. The bulletin highlights an airworthiness concern related to bolts attaching the seat back to the seat base on pilot and copilot seats using specific seat part numbers. It provides updated inspection guidance but does not mandate regulatory action.