AFS-SB1
ISSUED: AUGUST 04, 2009 REVISION:ORIGINAL
The use of AVStar's PMA parts in the overhaul & repair of carburetors.
AFS-SB2
ISSUED: AUGUST 06,2009 REVISION:ORIGINAL
The use of AVStar's brass floats in the overhaul & repair of carburetors
AFS-SB3
ISSUED: AUGUST 06,2009 REVISION:ORIGINAL
The inspection of float clearances in all MA series carburetors
AFS-SB4
ISSUED: MARCH 16, 2010 REVISION:ORIGINAL
The use of AVStar Accelerator Pump Plungers
AFS-SB5
ISSUED: MARCH 19, 2010 REVISION: ORIGINAL
The use of FAA-PMA Approved Replacement Parts in Fuel Injection Systems
AFS-SB6
ISSUED: APRIL 6, 2011 REVISION:2
The fracture of a fuel diaphragm stud in fuel servos
AFS-SB7
ISSUED: JULY 23, 2014 REVISION:1
This Service Bulletin defines the overhaul requirements for carburetors manufactured by AVStar Fuel Systems, Inc.
AFS-SB8
ISSUED: MAY 16, 2015 REVISION: 2
This Service Bulletin applies to all LVC-3-3A, LVC-3-3PA, LVC-5-4PA, LVC-5-5BPA, LVC-5-5PA, LHC-6-6BA and LHC-6-6BPA and all legacy aircraft carburetors manufactured by AVStar Fuel Systems, Inc.
AFS-SB9
ISSUED: DECEMBER 2, 2013 REVISION: ORIGINAL
This Service Bulletin applies to all AVStar manufactured servos (RSA-5AD1, RSA-10AD1, or RSA-10ED1) plus any servo fitted with Fuel Diaphragms manufactured by AVStar.
AFS-SB10
ISSUED: DECEMBER 5, 2013 REVISION: ORIGINAL
This Service Bulletin applies to AVStar manufactured RSA-5AD1 and RSA-10AD1 servos mounted in an updraft configuration.
AFS-SB12
ISSUED: July 1, 2014 REVISION: ORIGINAL
This Service Bulletin applies to all AVStar manufactured servos (RSA-5AD1, RSA-10AD1, or RSA-10ED1)
AFS-SB13
ISSUED: May 20, 2016 REVISION: ORIGINAL
This Service Bulletin applies to all AVStar manufactured fuel system Flow Dividers (AV2524232-2, AV2576624-1, AV2576564-1, and AVX3015004-1) manufactured between the dates of October 1, 2015 and March 23, 2016 per the serial numbers listed in Appendix A.
AFS-SB14
ISSUED: April 23, 2020 REVISION: 1
This Service Bulletin applies to certain carburetors manufactured by AVStar Fuel Systems, Inc. that were installed on Guimbal Helicopters aircraft equipped with 0-360-J2A Engines.
AFS-SB15
ISSUED: 1/8/19 REVISION: 2
This Service Bulletin applies to the following AVStar manufactured carburetors: Models LVC-5-5PA & LVC-5-5BPA (formerly identified as MA-4-5®) Part Numbers AV10-3878, AV10-4164-1, AV10-4404, AV10-4404-1, AV10-5054, AV10-5193, AV10-6035-11 & AV10-6054. Applicable AVStar carburetors were originally manufactured between January and September of 2011.