As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN STATION 377.7, RBL 24.75, SEAT TRACK SUPPORT FOUND CORROSION AFTER REMOVAL FOR ACCESS REF SNRM N03340. CORROSION REMOVED IAW SRM 51-10-02 REV 115 & FOUND CORROSION THRU WITH MATERIAL REMOVED MORE THAN 50%. SEAT TRACK SUPPORT REMOVED IAW SRM 51-40-02 REV 115. NEW SEAT TRACK SUPPORT INSTALLED IAW DWG 141N5130 SHT 3 REV B. REPAIR CLASSIFIED AS MAJOR.