As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE PERFORMING INSPECTION NOTED THAT THE MAIN CABIN SEAT TRACK HAS 3 EA AREAS OF CORROSION / GOUGE AT BS. 590-720 RBL 0.5. REMOVED SEAT TRACK AT RBL 0.5 BS 590-720, FABRICATED AND INSTALLED SEAT TRACK PER DWG AE727-2-063, NO OTHER DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.