As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING SB 670BA-53-036 FOUND MUTIPLE HOLES MISALIGNED BETWEEN THE R/H 36 BEAM (PN SH670-36968-2) AND THE R/H PRESSURE FLOOR HALF (PN SH670-36966-1) BETWEEN FS724-FS792. 36 BEAM REQUIRES REPLACEMENT. REMOVED AND REPLACED NEW SERVICEABLE RBL 36 FLOOR BEAM SH670-36968-2 IAW CRJ 900 SRM 51-40-11-001-001-A01. NEW SERVICEABLE RBL36 BEAM INSTALLED ON MHIRJ MWC HR00527778.