EASA SIB SAFO19002
McCauley Constant Speed Propellers - Improper Overhaul and Repair by Sensenich Propeller Services, Inc., North Windham, Connecticut
Summary
SAFO 19002 is a Safety Alert for Operators issued by the FAA regarding improper overhaul and repair of McCauley Constant Speed Propellers by Sensenich Propeller Services, Inc., located in North Windham, Connecticut. The alert affects all McCauley Constant Speed Propellers overhauled by this maintenance provider, which failed to follow the manufacturer's recommended overhaul procedures. This includes failure to test or replace critical components such as propeller return springs and other key parts.
What Changed
SAFO 19002 introduces a warning about improper maintenance practices by Sensenich Propeller Services, Inc. during overhaul-level maintenance of McCauley Constant Speed Propellers. It highlights specific deficiencies such as not testing or replacing required parts and provides guidance for inspection and verification of affected propellers. This is a new safety alert rather than an amendment to existing regulations.
Why It Matters
This alert is important for aviation professionals because improper overhaul of propellers can compromise aircraft safety and airworthiness. Operators, maintenance organizations, and compliance teams must ensure that affected propellers meet manufacturer standards to prevent potential failures. Addressing these issues helps maintain the highest safety standards and regulatory compliance.
What To Do
Owners and operators should inspect records and inventories for McCauley Constant Speed Propellers overhauled by Sensenich Propeller Services, Inc. Any affected propellers not installed should be quarantined and inspected by a properly rated repair station. Propellers currently in use should be inspected and closely monitored according to manufacturer recommendations. No specific compliance deadlines are stated.