As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRANSCEIVER WILL NOT TRANSMIT. REMOVED CORROSION FROM UNDER VCO SHIELD AND APPLIED HUMISEAL TO AREA FOR CORROSION CONTROL. ALSO REMOVED CORROSION FROM CHASSIS. REPLACED 2 BAD FLEX CABLES ON SERIAL BOARD. ADJUSTED CARRIER SQUELCH, TRANSMIT COMPRESSOR AND SIDE TONE. BENCH CHECK GOOD.