As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN SET ON 60.33, TRANSPONDER PUTS OUT FREQUENCY 1200. FOUND WEAK POWER OUT. REPLACED CAVITY OSCILLATOR V101. REPAIRED. REPLACED DAMAGED TRANSISTOR Q415 AND INSTALLED HEATSINK BEHIND Q415 AS PER KING SERVICE AID KT76A-6. REPLACED DETERIORATED RESISTOR R477. UNIT HAS WEAK RECEIVER SENSE. REPLACED MIXER DIODE CR202. REPAIRED. ADJUSTED POWER OUT AND FREQUENCY. BENCH CHECK GOOD.