As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND DURING C-CHECK, CORROSION ON LT FLOOR SUPPORT FLANGE ON SEAT TRACK BLO STA 294 THRU STA 415. MAINTENANCE REMOVED CORROSION FROM LT FLOOR SUPPORT FLANGE. MATERIAL REMOVED IS OUT OF LIMITS. SEAT TRACK BLO WILL BE REPLACED FROM STA 294.0 TO 686. SEE W/O 19471, TASK 1550 FOR CORRECTIVE ACTION.