As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVES BUT WILL NOT TRANSMIT 118 MHZ RANGE. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT NOT TRANSMITTING ON CORRECT FREQUENCY FROM 118MHZ TO 129MHZ. REPLACED TRANSISTORS Q307 AND Q308 IN VCO SECTION. REPAIRED PROBLEM. FOUND UNIT TO HAVE VERY WEAK RECEIVE. ADJUSTED VCO AND ALIGNEDRECEIVER SEVERAL TIMES. NO HELP.