As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON PASSENGER CABIN SEAT TRACK ON TOP/CROWN AND IN WELL AT BS 540 - 727B LBL 45 WL 208. REMOVED AND REPLACED SEAT TRACK SECTION BS 540 - 727B LBL 45 DUE TO FOUND OUT LIMITS AT BS 706 LBL 45 WL 208 AREA BLENDED IS L=5'' BY W=.5'' BY D=.025'' IAW SRM 53-00-52-1A-1. ALL IAW SRM 51-40-02-OG-0 AND BOEING DWG 144A5300 REV:E