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 Y450 FR41, FR44 AND FR46 CORRODED. REMOVED CORROSION AS PER SRM51-74-00 FR41 MAT'L REMOVED 0.048" (L-0.8" W-0.55" FR44 MAT'L REMOVED 0.051" (L-0.75" W-0.45"), FR46 MAT'L REMOVED 0.044" (L-0.9" W-0.5") AND FOUND OUT OF LIMIT AS PER SRM 53-31-15 FIG 101. NEW SEAT TRACK FABRICATED AND INSTALLED AS PER PRI 486597-14 REV 0.