As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK, FOUND SEAT RAIL NR 15 HAS CORROSION ON AFT END. MAINTENANCE BLENDED SEAT RAIL AND FOUND TO BE OUT OF LIMITS. R & R NR 15 SEAT TRACK RAIL IAW SRM 51-42-05-02-01 AND 51-40-15-02-01, PN 85338210-115. A/C REMAINS FOR COMPLETION.