his Flite-Tronics Static Inverter was repaired by Duncan Aviation in 2019. The unit had corroded and high failure components in the amplifier and filter circuits. The corrective actions: Disassembled, cleaned, replaced components in amplifier and filter circuits. Replaced output drivers and thermal switches. Function tested unit per Flite-Tronics Marathon Power Technologies Aircraft Static Inverter Model PC-17 Series Instruction Manual, Revision 9, dated 10/31/1984. After repair, this unit was returned to service. This unit comes with an Authorized Release Certificate. 

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