Harmony LSA



April 15, 2016


Illustrated parts catalogue
For easy identification of spare parts
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January 24, 2023


Unification of the strength class of the fastening bolts in the joint of the engine and the engine mount hinges and the resulting minimization of the possibility that these bolts will be accidentally interchanged.
October 21, 2022


The engine manufacturer (ROTAX) has issued Service Bulletin SB-912-076UL ordering the replacement of the fuel pump nipple fittings. The reason for the replacement is the fact that a certain number of fuel pump nipple fittings were installed using a lubricant instead of the prescribed thread sealant LOCTITE 577 Yellow.
January 12, 2011

Harmony LSA-001a SR

Rotax alert service bulletin - possible occurance of crack formation on crankshaft.
June 22, 2012

Harmony LSA-002a SR

Rotax alert service bulletin - Replacement of the pressure side fuel hose at fuel pump for Rotax engine type 912 (series).
May 5, 2014

Harmony ELSA-006b

Increase wind limits for take-off and landing determined on the basis of flight tests.
August 13, 2021

Harmony LSA-017a

Due to a deviation in the manufacturing process some tailpipe of muffler may have anomalies in the welded joint. In some cases, there is possibility that cracks may occur on a limited number of muffler tailpipe. Undetected cracks during pre-flight check may result in a loss of tailpipe.
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November 30, 2017

Harmony LSA/ELSA - 013b

Due to repeated non-compliance with service instructions of the emergency system manufacturer and in order to increase the emergency system safety the airplane manufacturer points out on the compliance with service instructions of the emergency system manufacturer.
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November 27, 2017

Harmony LSA/ELSA - 014a

Inspection of connection of arms of the torque arms on the nose landing gear.
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July 26, 2016

Harmony LSA/ELSA-012a SR

The manufacturer of ROTAX engines orders exchange of carburetors floats on engines.
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June 8, 2015

Harmony LSA-011a SR

Defective production lot of Semperit FUB 386 DN6 fuel hoses. Replacement of the fuel hoses as defined in the bulletin.
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May 18, 2015

Harmony ELSA-010a

The manufacturer of Rotax 914 F a Rotax 914 UL engines informs about a possibility of clutch slipping during the engine operation, which can lead to an undesirable increase of engine speed above the set limit.
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April 3, 2015

Harmony LSA-009a SR

Revision 1: Measurement of coolant temperature instead of cylinder head temperature on engines with the design change of the cylinder heads.
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June 18, 2014

Harmony LSA 008a SR

Check of sufficient insertion of the wing flap drive pins into the flaps.
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June 16, 2014

Harmony LSA 007a SR/SA

Check the canopy lock type. Replacement of one-position lock (if installed).
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See all Harmony bulletins

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