What was found
TRANSPONDER WILL NOT REPORT. CHECKED VOLTAGE, SWAPPED HALVES OF UNIT WITH A GOOD UNIT. VERIFIED PROBLEM ON LOCAL OSCILLATOR HALF OF UNIT. REPLACED V101 AND DID NOT HELP. SWAPPED MIXER DIODE. ALSO NO HELP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
TRANSPONDER WILL NOT REPORT. CHECKED VOLTAGE, SWAPPED HALVES OF UNIT WITH A GOOD UNIT. VERIFIED PROBLEM ON LOCAL OSCILLATOR HALF OF UNIT. REPLACED V101 AND DID NOT HELP. SWAPPED MIXER DIODE. ALSO NO HELP.