As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISPLAY FLICKERS AND MEMORY RESETS. PERFORMED PRELIMINARY INSPECTION AND COULD NOT DUPLICATE PROBLEM. FOUND AUDIO LEVEL TO BE VERY LOW. REPLACED R505 VOLUME CONTROL AND CAPACITOR. ADJUSTED C/N SQUELCH, MODULATION AND SIDETONE. BENCH CHECK GOOD.