What was found
CORROSION ON SEVERAL FASTENERS ON STR19R BETWEEN FS581.00-STR629.00 (MARKED) (C-CHECK RO 4/4/2021) REMOVED CORROSION FROM STR 19R FS581-629 REF CRJ700 SRM 51-21-06-001-001-A01.ORIGINAL MATERIAL THICKNESS OF STGR 19R BETWEEN FS581.00-FS629 IS .063 DWG.SH670-33155 REV. B.NDT REPORTS LOWEST REMAINING THICKNESS AT .031 WITH A MATERIAL LOSS OF .032 STGR IS FOUND TO BE OUT OF LIMITS.REF CRJ700 SRM53-31-03-101-004-A01.REPLACED STGR 19R REF MHIRJ REO 670-53-41-513 REV--DATE 2021-03-22. COMPLIED WITH 51-900-1002-SKY. LEAK CHECKS GOOD AT THIS TIME.