As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN SEAT TRACK ADAPTER AT FRAME 47; RBL 29 HAS CORROSION. REMOVED CORROSION FROM THE SEAT TRACK ADAPTER REF SRM 51-73-10. MAX ALLOWABLE MATERIAL LOSS IS 0.012. MEASURED MATERIAL LOSS IS 0.019. FOUND TO BE OUT OF LIMITS. RECEIVED NEW SEAT TRACK ADAPTER PO 654471.2. THE SEAT TRACK ADAPTER WAS REMOVED AND REPLACED ON FEDEX N/R N00210.