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 FR33 CORRODED 1959. REMOVED AS PER SRM 51-74-00 MAT'L REMOVED 0.039" (L-2.5" W-0.5"). ORIGINAL THICKNESS MEASURED 0.180" AND FOUND OUT OF LIMIT AS PER SRM 53-00-15 FIG 102). REPAIR CARRIED OUT AS PER SRM 53-00-15 FIG 204 AND ERA 486605-14 REV 0.