As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LEFT VERTICAL STABILIZER SKIN JUST BELOW TOP CAP. LOCATED UNDERNEATH FILLET SEAL COVERING SEAM BETWEEN PARTS. REMOVED CORROSION, VERIFIED NO CRACK INDICATIONS, AND MEASURED REMAINING THICKNESS OF MATERIAL. SUBMITTED TO ENGINEERING AND FOUND TO BE MINOR IN SCOPE. REPLACED ALL SURFACE TREATMENT AND PROTECTION IAW NJA RFTS-109082 AND CE-680A MM 51-20-01.