What was found
CORROSION FOUND UNDER NUTPLATES ON FAIRING FRAME AT FS 312.90. MECHANICALLY REMOVED 6 AREAS OF CORROSION LOCATED ON INNER AND OUTER SURFACES OF FAIRING FRAME FS 312.90 IAW CESSNA 680 SRM 51-70-02. FOUND CORROSION BLENDS TO BE BEYOND LIMITS IAW CESSNA 680 SRM 51-70-02 EXCEEDING .002" OF MATERIAL REMOVED FROM NOMINAL THICKNESS. REPAIRED CORRODED BELLY PANEL LAND AT FS312.90 PER AQRD RFTS-116481 REV.0,