As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO COMPT. BS 1790 TO 1800 STR. 51R STRINGER HAS LIGHT SURFACE CORROSION. REMOVED CORROSION FOUND OUT OF LIMITS IAW B747 SRM 53--10-01 PG2-3. REMOVED AND REPLACED DAMAGED STRINGER FROM STA. 1740-1810 AND REPAIRED IAW B747 SRM 53-10-03 FIG 8 PGS. 33-40, 51-10-02 AND BSOPM 20-41-02 PAGES 7-8.