Piper PA-31P Pressurized Navajo — Other Documents

This document is an Airworthiness Concern Sheet (ACS) issued by the FAA, focusing on potential safety issues related to various Piper aircraft models, including the PA-31P Pressurized Navajo. It highlights a specific incident involving a PA-28-161 Cadet that experienced an electrical fire in flight due to a failure to comply with Service Bulletin 991A. The ACS requests information from owners and operators of the affected models regarding compliance with the service bulletin, which addresses the installation of a fuse to prevent similar incidents. The document serves as a communication tool for the FAA to gather data and assess whether further action is necessary to ensure the safety of these aircraft.

• The document is an Airworthiness Concern Sheet from the FAA dated October 7, 2021.
• It specifically addresses the PA-31P Pressurized Navajo among other Piper models.
• The concern arises from an incident involving a PA-28-161 Cadet that experienced an electrical fire in flight.
• Owners of affected models are urged to confirm compliance with Service Bulletin 991A regarding fuse installation.
• The FAA is gathering data to determine if further action is needed regarding the safety of these aircraft.