As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOUGHT AN EXCHANGED SG-603 SYMBOL GENERATOR WITH AN 8130 THAT SAID REPAIRED ON IT. INSTALLED PART IN AIRCRAFT, IT HAD THE VERY SAME FAILURE AS THE INCOMING FAILURE ON THE SERVICE REPORT. THIS IS NOT THE FIRST TIME PROBLEMS WITH THIS PART. MFG SERVICE REPORT SAID REPAIRED BUT PART STILL HAS SAME PROBLEM.