As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, CABIN SEAT TRACK AT RBL 45 IS CORRODED AT STA 1177. REMOVED CABIN SEAT TRACK AT STA 1177 AND RBL 45 IAW B-727 SRM 51-30-2. FABRICATED NEW SEAT TRACK IAW B-727 SRM 53-10-5 FIG 1. INSTALLED SECTION OF SEAT TRACK IAW B-727 SRM 53-10-5 FIG 1.