As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PURPOSE OF THIS EO IS TO RECORD A MAJOR REPAIR. DURING C CHECK INSPECTION BEING PERFORMED AT HKG; DAMAGE WAS FOUND TO THE RIGHT I/B AILERON, O/B AFT CORNER DELAMINATION / DAMAGE. PERMANENT REPAIR PERFORMED IN ACCORDANCE WITH THE 747-400 SRM 51-70-07 FIGURE 9.