What was found
FUSELAGE EXTERNAL SKIN, FS 501, BETWEEN STR 20R & STR21R COUNTERSINK UNEVEN, RIVET HEAD NOT FLUSH WITH SURFACE AFT OF HOLE. (C-CHECK RO 10/9/2021) REPAIR OF FASTENER HOLE ON EXTERNAL FUSELAGE SKIN AT FS 501.00 BETWEEN STGR 20R AND STGR 21R PER STRUCTURAL MAJOR REPAIR (**RII**) PER CARD 51-900-1002-SKY MTCM REV: REV DATE: 06 OCT 20 IN ACCORDANCE WITH MHIRJ REO 670-53-31-697 REV-- / DATED 2021-09-06. PLEASE REFERENCE CONTINUATION CARD FOR REPAIR DISPOSITION AND CORRECTIVE ACTION DETALIS. NO DISCRAPENCIES NOTE.