As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME WEB CRACK, STA 1760 - STR 39L. THE CRACK LENGTH EXTENDS JUST BELOW THE FAILSAFE CHORD. THIS EXCEEDS THE 747 SRM REPAIR LIMITS. REPAIR OF THE FRAME IS ACCOMPLISHED BY USING THE 747 53-10-04 FIGURE 69. REPAIR WITH BOEING SPECIFIED CHANGES. THIS REPAIR IS AN AMOC TO THE FAA AD 86-18-01, PER ECRA 482-53-146-2.