As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING H-CHECK FOUND SEAT TRACK Y-1959 FR57-58 CORRODED. REMOVED CORROSION AS PER SRM 51-74-00 MAT'L REMOVED 0.043" (L-2" W-0.5"). ORIGINAL THICKNESS MEASURED 0.180" AND FOUND OUT OF LIMIT AS PER SRM 53-00-15 FIG 102. NEW SEAT-TRACK FABRICATED AND INSTALLED AS PER PRI 486597-14 REV 0.