bids are invited for repair and overhauling service - aviation spare; serviceability and repair of antenna control unit lrus part no 0811a0001 ser no 1958; yes; buyer premises serviceability checks and repairs of acu lru (part no. 0811-a-0001, ser no 1958) inspection and testing of the antenna control unit lru to identify faults including both hardware and software diagnosis, signal issues and power malfunctions. replacement of defective or worn out components both electrical and mechanical parts (e.g., connectors, relays, isolation transformers, converters, power modules opamp ics, transistors and zener diodes, mosfets, opto-couplers, drivers ics and all miscellaneous components) testing for ensuring optimal performance of acu lru including functional checks, performance verification and integration with equipment total quantity :