What was found
REMOVED RH EMERGENCY BRAKE BULKHEAD FITTING FROM RH WING, RIB AT RWS 37. BLENDED CORROSION FROM FWD INBOARD WEB ON RIB AT RWS 37. EVALUATED REMAINING THICKNESS AND FOUND AREA TO BE OUT OF SRM LIMITS PER CESSNA 680 SRM 51-70-02. SUBMITTED TO TEXTRON ENGINEERING. RE-EVALUATED AREA WITH TEXTRON REPAIR DEFINITION S-680-ATA57/03RD REV -, SUBJECT: REPAIR OF WING STRUCTURE CORROSION AT TITANIUM BULKHEAD FITTINGS, DATED: 03/18/2019, AND FOUND IT TO BE WITHIN THIS REPAIR LIMITS. PERFORMED REPAIR STEPS FOR THIS AREA CONTAINED IN THIS TEXTRON STANDARD REPAIR. RE-INSTALLED RH EMERGENCY BRAKE BULKHEAD FITTING. LEAK CHECK RH EMERGENCY BRAKE LINE AND BULKHEAD FITTING.