Beechcraft King Air 300 — Service Bulletins

This service bulletin provides instructions for inspecting and replacing the aft upper and lower wing bolts' washers on Beechcraft King Air 90, 200, and 300 series aircraft. It details the compliance requirements and necessary parts for the modification.

• Inspect aft upper and lower wing bolts for correct washer installation.
• Replace 95-110025-3 washer with 95-110025-7 if needed.
• Compliance is recommended at scheduled maintenance, not exceeding 200 flight hours.
• No specialized tooling or consumables are required.
• Mechanics must follow all instructions and use approved parts.
• Textron Aviation must authorize any substitutions of parts.
• A logbook entry is required after compliance.
• Claims for parts and labor can be submitted by authorized service facilities.