SAIB Notes Several Instances Of Problems On Low-Time Mufflers The FAA has issued a Special Airworthiness Information Bulletin (SAIB) following several reports of cracked mufflers on Aviat Aircraft Inc. Models A-1, A-1A, A-1B, and A-1C-180 airplanes.
Source: aero newsFAA Warns Of Cracked Mufflers On Aviat Husky Aircraft