DATE: February 13, 2014

MODELS AFFECTED

IO-540-AE1A5.

TIME OF COMPLIANCE

Next scheduled maintenance event.

Due to an administrative error, 91/96 could be incorrectly imprinted on all existing IO-540-AE1A5 data tags issued before July 17, 2013.

DATE: February 6, 2014

MODELS AFFECTED

Table A in the attached Service Bulletin.

TIME OF COMPLIANCE

Next maintenance event not to exceed 50 hours or before further flight if fuel leak found during preflight inspection.

In response to field reports of leaking Hartzell Engine Technologies’ (HET’s) fuel pump, Lycoming Engines requires replacement of all fuel pumps identified in Tables A and B with a verified fuel pump of the same part number.

January 23, 2014

To all owners and operators of Lycoming engine model O-360-A4M installed in Piper Archer III with AVStar carburetor model AV10-6102.

This Service Letter is notification of the following two product improvements by AVStar to carburetor model AV10-6102 (Lycoming P/N 61C26051). These product improvements have been incorporated into new O-360-A4M engines with Serial Numbers L-42322-36E and later and engines that were overhauled or rebuilt on or after November 13, 2013.

January 23, 2014

Supplement No. 2 to Service Bulletin No. 342G

DATE RELEASED:

December 2013

TITLE:

TIO-540-AE2A Parts Catalog 

DOCUMENT PART NUMBER:

PC-315-7

MODELS AFFECTED:

TIO-540-AE2A

DATE RELEASED:

September 2013

TITLE:

IO-540-K1K5 Parts Catalog

DOCUMENT PART NUMBER:

PC-615-K1K5

NOTES:

This parts catalog, PC-615-K1K5 (model IO-540-K1K5) supersedes the previous IO-540-K1K5 model engine which is covered in PC-615-2.

August 29, 2013

This supplement to Service Bulletin No. 342G adds the IO-360-M1A engine model to the list of engine models in Diagram No. 1 on page 9 of 47 in Service Bulletin No. 342G.

August 27, 2013 

To all Lycoming Engine Owners, Operators, and Authorized Lycoming  Distributors

This Service Letter is to advise customers, operators and authorized Lycoming distributors that External  Retaining  Ring P/N  MS16624­37 is superseded by P/N MS16624­2037 External Retaining Ring  (zinc coated).

DATE RELEASED:

August 2013

TITLE:

IO-540-AE1A5 Parts Catalog

DOCUMENT PART NUMBER:

PC-615-AE1A5

Supersedes Service Bulletin No. 342F

MODELS AFFECTED

All fuel injected Lycoming engines indicated in fuel line and clamping diagrams.

TIME OF COMPLIANCE

Examine fuel lines every 100 hours, annual inspection, overhaul and any time fuel lines or clamps are serviced, removed, or replaced.