FAA: Replace Mufflers at 1,000 Hours; Please
The FAA has issued a nonbinding special airworthiness information bulletin (SAIB) urging aircraft operators to replace mufflers at 1,000 hours. It’s not a noise abatement move, but rather a safety of flight issue. According to a Wichita State University study, a high percentage of aging mufflers are involved in carbon-monoxide-related incidents. In 92 percent of […]