As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEAT RAILS AT RBL9, BS 349 TO 477.40 HAS SEVERAL SPOTS OF CORROSION. REMOVED CORRODED SEAT RAIL AT RBL9 FROM FS FS349-FS477.40 IAW AMM 53-00-49-000-801-A11. INSTALLED NEW SEAT RAIL ON BRL9 FROM FS349-FS477.40 IAW AMM 53-00-49-400-801-A11 IPC53-00-49-ITEM 280. INSTALLED 3 EA SEAT TRACK FITTING ASSY'S IAW AMM 20-21-00-910-810 AO1. OUT OF SEQUINCE CORROSION FOUND TO BE OUT OF LIMITS IAW REO 670-53-00-013.