As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT TRACK FLANGE AT STA1179-1219 X=75. REPAIRED BY SECTIONAL SEAT TRACK REPLACEMENT FROM STA.1129 TO STA.1269 X=75 AS PER SRM 53-00-52 FIG.201 REPAIR 1 REV.46. REFER TO SNRM N00637 FOR WORK DETAILS. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100 REV.112