As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C-CHECK INSPECTION, FOUND CORROSION STA 480 TO STA 690 RBL 24 SEAT TRACK. REMOVED CORROSION IAW B727 SRM 51-10-1. FOUND TO BE OUT OF LIMITS IAW B727 SRM 53-10-1. INSTALLED SEAT TRACK IAW B727 SRM 53-10-5. C-CHECK WORK CARD NUMBER 40090. NON-ROUTINE TASK CARD NUMBER 14910.