What was found
LEFT AND RIGHT VERTICAL STAB UPPER SKINS HAVE 2 AREAS OF CORROSION JUST BELOW TIP CAP. MECHANICALLY REMOVED 2 AREAS OF CORROSION LOCATED ON VERTICAL STAB OUTER SKIN JUST BELOW TIP CAP, AFT AREA, 1 BLEND PER SIDE IAW CESSNA 680 SRM 51-70-02. FOUND CORROSION BLENDS TO BE BEYOND LIMITS IAW SRM 51-70-02 EXCEEDING .002" OF MATERIAL REMOVED FROM NOMINAL THICKNESS. REPAIRED CORROSION BLENDS IAW AQRD RFTS-116341 REV.0, TITLED: N339QS (680-0191) VERTICAL STABILIZER SKIN CORROSION,