As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN DECK LT SIDE FROM STA 320 TO 340 BETWEEN S-20L AND S-22L WINDOW FORGING HAS CORROSION UNDER FORGING. REMOVED WINDOW FORGING, CLEANED SURFACE CORROSION, FOUND TO BE WITHIN LIMITS PER 747 SRM 56-20-01. ALODINED AND PRIMED PER 747 SRM 51-10-03 AND SOPM 20-41-02 AND INSTALLED WINDOW FORGING PER 747 SRM 51-30-02.