As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FS409+128 BL0 VERT POST HAS INDICATIONS NOTED ON BOTH SIDES IN THE AFT FLANGE RADIUS AT WL69 GREATER THAN 50%FSH. L/H SIDE IS 0.350" LONG AND R/H SIDE IS 0.300" LONG. MARKED ON A/C. (C-CHECK) RO: 10/16/2019 REMOVED AND REPLACED F/S 409+128 BL 0 VERT POST IAW REO.