As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, RT HORIZONTAL STAB. UPPER SURFACE REAR SPAR HAS COROSION BLISTER OF APROX 2" LONG AT 70"" O/B SIDE. (AROUND FASTERNERS) RT HORIZONTAL STAB UPPER SKIN PANEL WAS FOUND WITH CORROSION AT RS 275.605, UPPER REAR SPAR AREA STRG-1. CORROSION WAS BLENDED IAW SRM. ENGINEERING FOR FURTHER EVALUATION AND REPAIR APPROVAL. DAMAGE REPAIRED IAW FVCI EO 26099-8, & ABX-REA-5513-66200-00. "