As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION ON UPPER RT (F/O'S) R1 WINDOW FRAME. BEGAN REMOVAL OF CORROSION BY MECHANICAL MEANS AS PER SRM 56-10-01 & 51-10. REMOVED FILLER AND FAB'D NEW PART PER DWG 69B10705-1. OK TO INSTALL FILLERS. INSTALLED FILLERS PER SRM AND B747 52-30-02.