As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER WING TANK UPPER SURFACE STRINGER 27C BETWEEN LBL 96 AND LBL 127.5 HAS EXFOLIATION CORROSION. REPAIRED STRINGER SECTION IAW SRM 57-10-04 FIG 3 AND EDF KLM-747-CC1-2006-032-R4 WITH 8100-9 APPROVAL. FIRST STAGE APPROVAL IN DOCUMENTED ON EO 4757A252.