As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C1 INTERGRANULAR CORROSION 2 1/2" BY 2 1/2" AREA WHERE LWR VERT STAB L/E AND MIDDLE VERT L/E MATE. REMOVED CORROSION IAW SRM 55-02-00-0, CUT OUT AREA IAW SRM 55-02-01. FABRICATED AND INSTALLED DOUBLER AND FILLER IAW SRM 55--2-01-0 FIG 4 AND SRM 51-01-21-0.