As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION SURROUNDING A NUTPLATE ON THE FAR LH CARGO FLOOR SEAT TRACK STRUCTURE. ROUGHLY 1" FWD OF FS 605.00 (FILED CLOSED)REMOVED AND REPLACED SEAT RAIL BEAM BETWEEN FS569.00 - FS605.00 AND LBL27.00 IN REF TO SRM 51-42-06, 51-42-22, AND 51-42-34 AS WELL AS REO 601R-53-61-3778, REV B, DATED 2016-12-19. COMPLETED TASK CARD 51-900-1003-SKY AND FORM M-337