As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE CPCP CHECK INSPECTION, FOUND SEAT TRACK LBL 20 STA 1140 TO 1030 CORRODED. REPAIRED SEAT TRACK PER B727 SRM 53-10-5 CORROSION WAS FOUND TO BE OUT OF LIMITS PER SRM 51-10-2. CORROSION TASK CARD NUMBER C53-111-01. NON-ROUTINE TASK CARD NUMBER 108165.