As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
4 NUT-PLATES ARE CORRODED BETWEEN F.S. 661+16 TO F.S.661+32 BETWEEN STGR 26L AND 24R. INSTALLED 4 FASTENERS AND 1 RETAINER PLATE P/N SH670-39095-7 FROM F.S. 661+16 TO F.S. 661+32 BETWEEN STGR 26L TO STGR 24R IAW CRJ900 SRM 51-42-06-001-001-A01.