What was found
FRAME AT FS 645.00 IS CORRODED BETWEEN STGR 17L AND 18L. REMOVED UNSERVICEABLE FRAME SEGMENT IAW CRJ 900 SRM 51-42-06-001-001-A01, AND 51-42-21-001-001-A01 LOCATED AND DRILLED NEW, AND INSTALLED FS 645 FRAME SEGMENT, PN SH690-33166-3, BETWEEN STGR 16L - 18L AND FABRICATED REPAIR ITEMS IAW CRJ 900 SRM 53-00-06-201-001-A03,51-40-11-001-001-A01,AND 51-42-06-001-001-A01.