As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE-C, WHILE INSPECTION UNDER FWD LAV LOWER FLANGE OF SEAT TRACK AT BS 34.4 RBL 24.75 FOUND CORRODED SECTION OF SEAT TRACK. REPLACED BS 344 TO 400 RBL 24.75 TRACK FABRICATED FROM EXTRUSION BAC1520-1432 IAW SRM 53-10-5 FIG 1.