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Jeff Conrad

Jeff Conrad is the Vice President of Quality at Lycoming Engines, where he is responsible for all aspects of the Quality Management System, including both internal and supplier quality, as well as the Lycoming Certified Repair Station. Jeff joined Textron in 2007 and has held various positions of increasing responsibilities throughout his career. He spent 15 years with Textron Aviation in Wichita...

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Service Instruction No. 1080 D

Supersedes Service Instruction No. 1080 C September 23, 2025 MODELS AFFECTED All Lycoming opposed series aircraft engines. TIME OF COMPLIANCE During periodic inspection of the engine.
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Service Instruction No. 1129 E

Supersedes Service Instruction No. 1129D September 23, 2025 MODELS AFFECTED All Lycoming direct drive engine models TIME OF COMPLIANCE During periodic maintenance inspection of the engine and at anytime the alternator or generator belt is installed. REASON FOR REVISION Added 14 millimeter wide belt and torque values to table 1. This Service Instruction provides Instructions for Continued...
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Service Letter No. L291

Service Letter No. L291 DATE: September 23, 2025 TO: All Owners and Operators of TIO-540-AK1A Engine Model
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Service Bulletin No. 664

Service Bulletin No. 664 Date: November 5, 2025 SUBJECT: Piston Pin Replacement MODELS AFFECTED: All Lycoming engine models with piston pins P/N LW-14078 installed TIME OF COMPLIANCE: At engine overhaul
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Service Instruction No. 1443 T

DATE: November 18, 2025 SUBJECT: Approved Slick Magnetos, Hartzell PowerUp Magnetos, and Lycoming Electronic Ignition System (EIS) on Lycoming Engines MODELS AFFECTED: See Table 1 TIME OF COMPLIANCE: Not applicable REASON FOR REVISION: Revised Table 1 to add approved Hartzell PowerUp magnetos. Added listings for IO-540-C1B5 and IO-540-S1A5 to Table 1 and Table 7. Added new Table 5 for Hartzell...
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Service Letter No. 298

Service Letter No. L298 DATE: November 18, 2025 TO: Owners and Operators of Lycoming TEO-540-C1A Engines