As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT OPERATOR BROUGHT ACFT TO FACILITY TO INVESTIGATE A BULGE ON THE UNDERSIDE OF THE RT WING AT APPROXIMATELY RBS 191 (THIS IS DIRECTLY UNDER THE FLIGHT SPOILER ACTUATOR ATTACH FITTING). AFTER DISASSEMBLY OF THE AREA IN QUESTION, THE 'LOAD PLATE' UNDER THE ACTUATOR ATTACH FITTING WAS ENTIRELY INVOLVED WITH INTERGRANULAR, EXFOLIATION CORROSION, CAUSING THE LOWER SKIN TO BULGE. REF: OPER CONTROL NR BTVR 950606.