As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"DURING HEAVY MAINTENANCE, SEVERAL CORROSION ON LH CENTRAL LONGITUDINAL SEAT TRACK BTW FR 23 AND FR 34 AT CABIN PAX; BLENDED AREAS ON CROWN TEETH BTW FR 23 TO FR 34 ON LH CENTER SEAT TRACK MAX DEPTH .029"" THEREFORE IS OUT OF LIMITS PER EMB -190 SRM 53-21-10AD51 PAR 5 TABLE 103 LH SEAT TRACK FROM FRAME 23 TO FRAME 34 WAS REPLACED PER EMB -190 SRM 51-43-03 PAR 5 AND 6FIG 1 AND SRM 51-43-04 PAR 4 AND 5 FIG 1 . ALL WORK WAS ACCOMPLISHED ON TOMX NRS 294 AND 760. CLASSIFIED AS MAJOR REPAIR."