What was found
FOUND #8 SPOILER BOTH HYDRAULIC PRESSURE AND RETURN CARRY THROUGH'S HAVE CORROSION AROUND THEM ON RH WING AFT SPAR. MECHANICALLY REMOVED CORROSION WHERE #8 SPOILER HYD LINES ARE 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-116545 REV.0 TITLE: N339QS (680-0191) RH WING SPAR WEB CORROSION, DATE: 05MAR26.