As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION SEAT TRACK FLANGE MAIN CABIN STA 950 PLUS 10" TO STA 890, LBL 25. REMOVED DAMAGED SEAT TRACK SECTION. FABRICATED NEW SECTION USING BAC1520-792 7178T65 DIMS 3 1/4" X 69 1/2", FABRICATED 2 SPLICES USING BAC1503-100122 7178T6 DIMS 13 3/4" X 2 1/2" EACH AND 1 SPLICE USING 7075T6 .250 DIMS 7 1/4" AND INSTALLED IAW SRM 53-10-5 AND B727 SRM 51-30-2.