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 560 TO 580 RT HAS CORROSION ON UPPER FRD CORNER COMING OUT FROM UNDER SEALANT. REMOVED SEALANT AND LIGHT CORROSION WITHIN LIMITS. ALODINED AND PRIMED, RESEALED WITH BMS 5-95 SEALANT PER 747 SRM 51-10-01, 51-10-02, 56-20-01, AND 747 SOPM 20-41-02.