What was found
STRINGER 23R HAS CORROSION JUST AFT OF FS677. (C-CHECK RO 6/22/2021) REMOVED CORROSION FROM STGR 23R AFT FS677 REF. CRJ-900 SRM, 51-21-06-001-001-A01. FOUND TO BE OUT OF LIMITS REF. CRJ-900 SRM, 53-31-03-03-101-003-A04. INSTALLED ALL REPAIR PARTS (NEW STRINGER/ STRINGER SECTION/ NEW SPLICE ANGLE/NEW SHIM) IN MID CABIN AFT OF FS677.00 23R REF. CRJ-900 SRM, 53-00-03-201-001-A02. SEE CONTINUE CARD FOR FURTHER DETAILS, COMPLIED WITH WITH TASK CARD 51-900-1002-SKY, PRESSURE CHECKS GOOD.