As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C CRACK FOUND AT BS 880 RT SIDE S9R TENSION TIE ATTACHED STRINGER CLIP CRACK LOCATED AT NR 10 FASTENER HOLE 0.030" APPROX RUNNING UPWARD DIRECTION. M/D BS 880 RT SIDE STR 9R TENSION TIE ATTACHED STRINGER CLIP REPLACED AND INSTALLED AS PER SRM 51-10-01 PG 9 AND 51-30-02 AND EO B747-5310-23715-C.