Owners of more than 300 Cessna 172R Skyhawks delivered since shipments restarted in January 1997 have been ordered to replace the exhaust silencers. The US Federal Aviation Administration issued an airworthiness directive (AD) on 13 January mandating replacement of the silencers, made by Aeroquip, because of leaking welds.
You have reached your limit of free articles for this period. Register for a FREE account to read this article and benefit from: