As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN LT SIDE AT STA 1350 TO STA 1372 S-20L AND S-22L HAS CORROSION AT WINDOW FORGING LOWER AFT CORNER. REMOVED MAIN CABIN WINDOW FORGING PER 747 SRM 51-30-02 AND FOUND WINDOW FORGING OUT OF LIMITS PER 747 SRM 56-20-01. REPLACED WINDOW FORGING PER 747 SRM 51-30-02 AND ALODINED PER 747 SRM 51-10-02 AND PRIMED PER 747 SOPM 20-41-02.