What was found
DURING CPCP CHECK INSPECTION, FOUND LEVEL 2 CORROSION. CORROSION ALONG EDGE OF LAP SEAM AT STRINGER 34R STA 2280 TO 2350 MARKED J-9. REPAIRED (2024-T3) IAW BOEING 747 SRM 53-30-03 FIGURE 22. PERMANENT REPAIR TO BE INSTALLED AT C-CHECK REFERENCE CARRY OVER NR 042. CORROSION TASK CARD NUMBER C53-100-01. NON-ROUTINE TASK CARD NUMBER 105998. INSTALL PERMANENT REPAIR AT S34R STA 2280 TO 2350 IAW SRM 53-30-03 FIGURE 25, DUE TO BLIND FASTENER REPAIR ALONG EDGE OF LAP SEAM. REMOVED BLIND FASTENERS AND REPLACED WITH SOLID D-RIVETS IAW B747 SRM 51-30-02, 53-30-03 FIG 25. THIS CLEARS CARRY OVER NR 042. REPAIR ORDER NR 703-434. LOG PAGE NR 704-0223 DATED 24 FEB 98.