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During testing it was discovered that the fuel system could be susceptible to a small fuel leak if fuel level sensor installed has a non-conformance condition where a gasket is installed in the incorrect location. Replacement of the fuel level sensor is required to correct the non-conforming condition. The purpose of this Service Bulletin is to provide instructions on inspecting the fuel level sensor for this non-conformance and removing and replacing the fuel level sensor if necessary.

https://www.iconaircraft.com/wp-cont...B-092718-B.pdf

DATE ISSUED: 5/17/2021
DATE EFFECTIVE: 5/31/2021
S/N: 00001-00028, 00030-00037, 00040, 00046, 00049, 00051-00053, 00126-00131
TIME OF COMPLIANCE: Next Annual Condition Inspection or 100 hr inspection