As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, FOUND CHAFING SPOTS ON THE LOWER SURFACE OF THE LEFT HAND NUMBER 4 SPOILER. FABRICATED AND INSTALLED A REPAIR ON THE LOWER SURFACE OF THE NUMBER 4 SPOILER PER SRM 51-70-00 AND ENGINEERING AUTHORIZATION EA DC10-57-010.