tomjnx wrote:
I guess if your LNA (half) died (i.e. if the sensitivity got 10dB worse but otherwise the radio still worked)
Actually electrical failure of the avionics itself is quite rare. In most cases it are connectors or wiring issues.
When equipment itself fails, that failure is often a common failure. For example, when you have a side lobe suppresion failure at a transponder, most avionics shops would be able to tell you which brand of transponder you most likely have installed, as this is a common issue on one brand only.
