What was found
FOUND #7 SPEED BRAKE HYDRAULIC RETURN CARRY THRU HAS CORROSION AROUND IT ON RH WING AFT SPAR. MECHANICALLY REMOVED CORROSION WHERE #7 SPEED BRAKE HYD RETURN LINE IS LOCATED ON RH WING, FLAP WELL, 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 BLENDS IAW NETJETS AQRD RFTS-116544 REV.0