What was found
FUSELAGE STGR 27 HAS CORROSION AT BOTTOM FLANGE BETWEEN RIVETS AFT OF FS 295 FRAME. MARKED. (C-CHECK RO 8/16/2023) INSTALLED NEW REPLACEMENT STRINGER P/N SH670-31642-1 AT INSIDE STRUCTURE OF FUSELAGE SKIN PANEL STGR27 BETWEEN FS.280.00 & FS.295.00 REF. CRJ700 SRM 51-23-00-001-001-A01 , SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & BOMBARDIER DWG. SH670-31630 REV. K. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD