As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT TRACK SPLICE ATTACHED ON FLOOR WEB, MAIN CABIN BS. 1135 - BS 1177, LBL 45. REMOVED SEAT TRACK SECTION IN MAIN CABIN IAW SRM 51-30-2 AND FABRICATED NEW SEAT TRACK DIM; 44.8750" AND FLAT BAR DIM; 4" X .5" FROM 7075T6 IAW DWG 53FX976. INSTALLED NEW SEAT TRACK SECTION AND PARTS IAW SRM 51-30-2.