As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINTENANCE, FOUND TOP OF CABIN CHAIR TRACK CORRODED UNDER FLOOR PANELS STA 1030 TO 1070, NUMBER 2 TRACK. REMOVED CORRODED TRACK STA 1030 TO 1070. MADE SECTION OF CHAIR TRACK PER BOEING DRAWING 65-19601 AND INSTALLED TRACK PER SRM 53-10-5.