What was found
FOUND #9 SPOILER BOTH HYDRAULIC PRESSURE AND RETURN CARRY THRU'S HAVE CORROSION AROUND THEM ON RH WING AFT SPAR. MECHANICALLY REMOVED CORROSION WHERE #9 SPOILER HYD PRESSURE AND RETURN LINE CARRY THRU FITTINGS ARE LOCATED ON WING AFT SPAR, AFT FACE 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 CORROSION BLENDS IAW NETJETS AQRD RFTS-116443 REV.0.