As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OKC - RIVET HEADS SANDED FLAT ON EXTERNAL AFT FUSELAGE SKIN INBOARD OF LEFT HORIZONTAL STABILIZER. CORROSION AND A CREASE ALSO EXIST Y790-Y793, WL 130-138. CUT OUT DAMAGED AREA, FABRICATED AND INSTALLED FILLER AND DOUBLER. AIRCRAFT RETURNED TO SERVICE. (M)