Beechcraft G58 Baron — Airworthiness Directives

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority of Australia, specifically addressing safety concerns for Beechcraft Baron series aircraft, including the G58 model. The directive mandates inspections and potential replacements of the left propeller accumulator oil tube assembly due to reports of chafing damage that could lead to severe in-flight issues, including loss of engine oil and potential engine failure. The AD outlines compliance timelines based on the aircraft's operational history and emphasizes the importance of adhering to the specified maintenance procedures to ensure safety in flight operations.

• Applicable to Beechcraft Baron models 58 and G58, serial numbers TH-2097 to TH-2150.
• Inspect left propeller accumulator oil tube for chafing as per MSB No. SB 61-3806.
• Replace the oil tube assembly if chafing is detected during inspection.
• Reposition left manifold pressure hose to ensure clearance from other components.
• Compliance required within 25 hours for aircraft without a recent 100-hour inspection, or 50 hours for those that have.