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Service Letter No. L 162 B

Service Letter No. L162B (Supersedes Service Letter No. L162A) DATE RELEASED: January 29, 1982 TO: All Owners, Operators and Service Facilities
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AERO Friedrichshafen 2025

Lycoming is set to join nearly 700 exhibitors from 35 nations at Aero in Freidrichshafen on April 9 - 12, 2025. Aero in Freidrichshafen is the leading show for General Aviation in Europe. This year our booth will feature: Customer Service Representatives - Technical experts onsite to help address your needs Lycoming Electronic Ignition System (EIS) on Display - Learn about our state-of-the-art...
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Service Bulletin No. 656A

REPLACEMENT OF 6-CYLINDER ELECTRONIC IGNITION SYSTEM (EIS) DATE: April 2, 2025 MODELS AFFECTED: All 6-cylinder EIS used in a helicopter application operating in any category TIME OF COMPLIANCE: For Engines with the Original EIS: Before further flight for engines with more than 100 hours, Time-In-Service on the EIS. For Engines with more than 50 hours, but less than 100 hours, Time-In-Service on...
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Authorized Service Centers

Authorized Service Centers Provide Factory Backed Service Lycoming Engines Authorized Service Centers are bringing the LYCOMING STANDARD to you. Overhaul shops in your area are now partners with Lycoming Engines, allowing you to receive high-quality TBO without overseas shipping costs or wait times. This Authorized Service Center will receive genuine Lycoming parts for your engine rebuild, which...

STD-1214

Submitted by root on
SCREW-#10-32 X .38 LG TRUSS HD
Revision
-B
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Service Instruction No. 1593

Service Instruction No. 1593 Incorrectly marked alternator belts. DATE: May 12, 2025 MODELS AFFECTED: TEO-540-C1A TIME OF COMPLIANCE: N/A This Service Instruction is in response to incorrectly marked alternator belts having reached the field on engines or as spare parts. Lycoming has discovered that a population of 37C28529-955 alternator belts were released to the field identified as 37C28529-955...
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2026 Engine School Training Dates

REGISTER NOW, CLICK HERE Lycoming Engines is pleased to announce its 2026 training schedule. The training program is now a single class, 5-day course that blends content from both prior courses, which focused on engine theory and disassembly/reassembly. The intent of the redesign is to make it easier for individuals to attend the training in a single-week format. Cost for the course is $1,825...
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Service Bulletin No. 630B

Service Bulletin No. 630B (Supersedes Service Bulletin No. 630A) June 11, 2025 MODELS AFFECTED: All Lycoming engines TIME OF COMPLIANCE: At every maintenance event that requires removal of each cylinder