As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CPCP INSPECTION FOUND LEVEL 2 CORROSION, FS 1820 RBL 32 SEAT TRACK HAS CORROSION. REMOVED AND REPLACED SEAT TRACK FS 1820 RBL 32 IAW B747 SRM 51-10-01 AND 51-30-02. CORROSION TASK CARD NUMBER C53-210-01 PART 4 OF 8. NON-ROUTINE TASK CARD NUMBER 12859.