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Service Instruction No. 1588

ROCKER BOX COVER SCREWS TORQUE VALUES AND TORQUE SEQUENCE DATE: February 14, 2024 MODELS AFFECTED: All Lycoming Engine Models TIME OF COMPLIANCE: During rocker box cover installation This Service Instruction provides Instruction for Continued Airworthiness (ICA).
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SPECIAL SERVICE PUBLICATION NO. 875-2

DATE RELEASED: February 2024 TITLE: Removal and Installation Labor Allowance Guidebook for Reciprocating Aircraft Engines DOCUMENT PART NUMBER: SSP-875-2
event

SUN 'n FUN Aerospace Expo 2024

Visit Lycoming at Booth D040-041 at SUN 'n FUN Fly-In and Expo from April 9 th – 14 th , 2024 in Lakeland, FL! Lycoming Engines is excited to return to SUN ‘n FUN 2024. Join us in celebrating our 95th year in aviation! Make sure to follow Lycoming Engines on social media @LycomingEngines for regular updates leading up to the event. We will be offering three different events/forums: Technical Forum...
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Service Letter No. L 267 A

Service Letter No. L267A (Supersedes Service Letter No. L267) DATE RELEASED: March 21, 2024 TO: All Owners and Operators of Lycoming Aircraft Engines REASON FOR REVISION: Changed Web Address under Warranty and Owner Registration Steps. Deleted screenshots affiliated with the old web address.
event

AERO Friedrichshafen 2024

Lycoming is set to join over 670 exhibitors from 35 nations at the 30th anniversary of the Aero in Freidrichshafen event April 17 - 20, 2024. 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 ignition system Gear Store Merchandise - For the...
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SPECIAL SERVICE PUBLICATION NO. 124

DATE RELEASED: March 2024 TITLE: Operating Recommendations for TEO-540-C1A Engine in Tecnam P2012 Traveller DOCUMENT PART NUMBER: SSP-124

LW-16650

Submitted by root on
MAGNETO & HARNESS ASSY-LEFT
Revision
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Press

Lycoming Engine’s UL94 Valve Seat Recession Investigation Update

WILLIAMSPORT, PA – In June 2023, the University of North Dakota (UND) Aviation program transitioned its fleet from 100LL to use UL94, a 94-octane unleaded fuel. In October, after logging 46,000 hours using UL94, UND identified abnormal valve seat recession in its Lycoming engines. Following a risk assessment, UND announced its decision to revert back to 100LL. Lycoming Engines conducted a root...

LW-14235

Submitted by root on
RING-PISTON

L-28124-40E

Submitted by root on
Model
O-540-F1B5
Part Number
ENPL-RT10877
Ship Date
Serial Base
28124-40