Beechcraft King Air 100 — Maintenance Manual

This document is a service bulletin from Hartzell Propeller Inc. concerning the introduction of an improved propeller blade for the Hawker Beechcraft King Air B100 aircraft. It details the compliance requirements for replacing affected blades and provides instructions for continuing airworthiness. The bulletin highlights the potential for blade flutter and mandates the replacement of certain propeller blades to ensure safety. It includes information on the affected propeller models, compliance timelines, and the necessary procedures for blade replacement. This bulletin is crucial for maintenance personnel and operators of the King Air B100 to maintain airworthiness and safety standards.

• Affected aircraft: Hawker Beechcraft King Air B100 with Hartzell propeller HC-B4TN-5(C,F)/T10173F(N)(B,K)-12.5.
• Mandatory replacement of T10173F(N)(B,K)-12.5 blades with T10173AN(B,K)-12.5 blades.
• Replacement must occur at the next overhaul or within 3000 flight hours or 60 months from August 1, 2012.
• Weight increase of 4.0 pounds (1.81 kg) per propeller with new blades.
• Compliance with the latest revision of this service bulletin is critical to avoid unsafe conditions.