As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN WINDOW FORGING AT STA 660 - 680 LEFT HAND HAS CORROSION IN SEVERAL SPOTS COMING OUT FROM UNDER SEALANT. REMOVED SEALANT AND REMOVED CORROSION PER 747 SRM 51-10-01, WITHIN LIMITS PER 747 SRM 56-20-01. ALODINED PER 747 SRM 51-10-02 AND PRIMED PER 747 SOPM 20-41-02 AND RESEALED PER 747 SRM 51-10-06.