EASA SIB CASA-2016-13
Pratt & Whitney PW545 Series Engines - Oil Systems Servicing
Summary
The Transport Canada Civil Aviation Safety Alert CASA 2016-13 addresses oil system servicing issues on Pratt & Whitney PW545A, PW545B, and PW545C series engines. It highlights problems related to improper oil servicing that can lead to alert warnings and in-flight engine shutdowns. The document provides safety information and references Pratt & Whitney service information letter PW500-065 for further details.
What Changed
This new safety alert introduces awareness about the risks of under-servicing and over-servicing the oil systems of PW545 series engines. It identifies the consequences of improper oil levels, including pressure fluctuations, engine damage, and oil system malfunctions. The alert emphasizes adherence to manufacturer recommendations to prevent these issues.
Why It Matters
This alert is critical for owners, operators, and maintenance personnel as improper oil servicing can cause severe engine damage or in-flight shutdowns, posing safety risks and costly repairs. Understanding and following the recommended servicing procedures helps maintain engine reliability and operational safety. Compliance with this guidance supports continued airworthiness and reduces the risk of unexpected engine failures.
What To Do
Affected stakeholders should review and familiarize themselves with Pratt & Whitney service information letter PW500-065 to ensure proper oil system servicing on PW545 series engines. Operators and maintainers must follow the manufacturer's oil servicing recommendations carefully to avoid under- or over-servicing. For additional information or assistance, contact Transport Canada Continuing Airworthiness in Ottawa.