As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTS NO TRANSMITTER OUTPUT. FOUND CORROSION HAD EATEN THROUGH MAINBOARD UNDER HEADER J304. FOUND MAIN BOARD TO BE UNREPAIRABLE. REPLACED MAINBOARD. CLEANED CORROSION ON CHASIS AND ALODYNED. ADJUSTED SQUELCH, MODULATION, FREQUENCY, TRANSMIT COMPRESSOR, SIDETONE AND POWER OUT.BENCH CHECK GOOD.