Service Bulletins

Active Service Bulletin Summary

SB137AF - All "Threaded" C1 thru C98 Propeller Models Overhaul Requirements

SB176E - Necessary Actions Following Propeller Strike

SB177B - Lightning Strike Inspection Requirements

SB215C - Governors Exposed to Rapid RPM Change, Lightning Strike, Engine Detonation, Oil Contamination

SB227B - Propeller Installation Mounting Torque

SB240E - 1A170E/JHA Inspection of Propeller Blade for Cracking

SB248 - All 3A32C406 and D3A32C409 Repetitive Blade Airfoil Inspection

Obsolete Service Bulletin Summary

Service Information Summary


To obtain service information related to an Airworthiness Directive, please contact McCauley Product Support at 1-800-621-7767.


10511 East Central Wichita, Kansas 67206 | PH: 800.621.7767 | FX: 316.206.9948
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