What was found
CORROSION INBOARD FLANGE ON STUD FRAME FS 333.00 BETWEEN STGR 18R AND STGR 20R. C-CHECK RO 1/17/2021. COMPLIED WITH ALL STEPS OF REO 670-53-21-1903 REV- DATED 2020-12-13. ENSURED BLEND OUT OF CORROSION WAS DONE, IAW CRJ 700 SRM 51-21-06-001-001-AO1. NDT PERFORMED, AREAS ARE CRACK FREE. RESTORED FINISH. APPLIED CIC. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUATION CARD FOR DETAILS. LEAK CHECK OK.