Mooney M20M Bravo — Maintenance Manual

This document is a service bulletin issued by Mooney Airplane Company, Inc. for the Mooney M20M model, specifically addressing modifications related to the exhaust deflection shield and the V-band clamp for the tailpipe. The bulletin outlines mandatory compliance for certain serial numbers and provides detailed instructions for the installation of the exhaust deflector shield and modifications to the hydraulic brake fluid poly line. It emphasizes the importance of replacing the V-band clamp to prevent exhaust leaks into the engine compartment, which could pose safety risks. The document is intended for maintenance personnel and aircraft technicians responsible for ensuring the airworthiness of the Mooney M20M aircraft.

• Affected serial numbers for the Mooney M20M range from 27-0001 to 27-0321.
• The V-band clamp must be replaced with a new configuration clamp after two documented removals.
• Initial torque for V-band clamps is 40 lb-in; final torque should be 55-65 lb-in.
• Installation of the exhaust deflector shield requires removal of the upper and lower cowling.
• Mandatory compliance with Special Letter 90-6 and/or AD 91-03-15 is required.