AD 2013-10-04
Effective 07/17/2013 · Published 06/12/2013
Airworthiness Directives; Piper Aircraft, Inc. Airplanes
Summary
We are superseding an existing airworthiness directive (AD) for all Piper Aircraft, Inc. Models PA-31, PA-31-325, and PA-31-350 airplanes. That AD currently requires a detailed repetitive inspection of the exhaust system downstream of the turbochargers and repair or replacement of parts as necessary. This new AD requires visual repetitive inspections, expanding the inspection scope to include the entirety of each ai…