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 1480 AFT WEB DOUBLER CORRODED LBL 97. REMOVED CORROSION IAW B747 SRM 51-10-01, FOUND OUT OF LIMIT. REMOVED AND REPLACED WEB DOUBLER IAW B747 SRM 51-10-01 AND 51-30-02. CORROSION TASK CARD NUMBER C53-190-01. NON-ROUTINE TASK CARD NUMBER 12767.