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 LBL 42 BS 990/1050 HAS CORROSION. FOUND SEAT TRACK TO BE OUT OF LIMIT AT LBL 42 BS 990-1080 IAW SRM B-727-53-10-1 FIG 3. FABRICATED SEAT TRACK AT LBL 42 BS 990-1080 MAT USED BAC1520-792 PO 99125 DIAMETER 60 INCHES IAW B-727 SRM 53-10-5 FIG 2. ALODINE AND PRIME IAW B-727 SRM 51-10-2. INSTALLED NEW SEAT TRACK BS 990 TO 1050 LBL 42 INCHES IAW B-727 SRM 53-10-5 FIG 7.