As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK AND C.P.C.P. INSPECTION, FOUND SEAT TRACK CORRODED AT RBL 42 FROM FS 1010 TO BS 1030. REMOVED CORRODED SECTION. ALSO, NR 4 SEAT TRACK AT BS 480 CORRODED. CUT OUT DAMAGED SECTION. FABRICATED REPLACEMENT TRACK SECTIONS OUT OF BAC 1520-1430 7178-76511 EXTRUSTION IAW SRM 51-30-2.