As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING ENGINE REMOVAL FOR MX, CORROSION WAS FOUND ON THE RT UPPER AND LOWER THRUST REVERSER BUCKETS AT THE REAR INSIDE SKIN RIVETS. THIS SEEMS TO BE AN ON-GOING PROBLEM WITH THE THRUST REVERSER BUCKETS ON THE ACFT. INSTALLED BOTH RT UPPER AND LWR TR BUCKETS IAW AMM 78-31-10.