As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLE SPOTS OF CORROSION ON LH FLOOR BEAM AT LBL27 APPROX. FS1000 - FS1047. REMOVED AND INSTALLED NEW FLOOR BEAM SECTION AT LBL 27.0 FROM F/S FS 977 TO F/S 1058 IAW CRJ 900 SRM 53-00-41-201-001-A03 AND IAW SRM 51-42-21-001-001-A01AND SRM 51-42-06-001-001-A01 AND COMPLIED WITH TASK CARD 51-900-1002-SKY.