EASA SIB 2017-06
Pilatus PC-12 Aeroplanes - Torque Transducer Oil Pressure Pipe P-Clamp Installation
Summary
EASA Safety Information Bulletin 2017-06 is an airworthiness bulletin addressing the installation of torque transducer oil pressure pipe P-clamps on Pilatus PC-12, PC-12/45, PC-12/47, and PC-12/47E aeroplanes. It highlights a reported incident involving oil pressure and temperature warnings leading to engine damage due to incorrect P-clamp installation. The bulletin references Pilatus PC-12 Service Letter 192 for detailed corrective guidance.
What Changed
This bulletin introduces a safety communication emphasizing the correct installation of torque transducer oil pressure pipe P-clamps as per the Aircraft Maintenance Manual. It does not mandate regulatory action but draws attention to Pilatus PC-12 Service Letter 192, which provides instructions to prevent oil starvation-related engine damage.
Why It Matters
Proper installation of the torque transducer oil pressure pipe P-clamps is critical to prevent oil starvation and potential engine damage in Pilatus PC-12 series aircraft. Aviation professionals, including operators and maintenance organizations, need to be aware of this issue to maintain engine reliability and avoid costly repairs or safety incidents.
What To Do
Owners and operators of Pilatus PC-12, PC-12/45, PC-12/47, and PC-12/47E aeroplanes are recommended to follow the corrective actions outlined in Pilatus PC-12 Service Letter 192. Although not mandatory, implementing these instructions helps ensure proper P-clamp installation and mitigates the risk of engine oil starvation. For further information, stakeholders should contact EASA or Pilatus as provided.