As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEAR ON REPAIR DOUBLER LOCATED ON STGR-27 FROM FS907.00 TO FS920.00 AT EXTERNAL FUSELAGE CENTER SECTION. DUE TO EXCESSIVE DAMAGE ON DOUBLER LOCATED ON STGR-27 FROM FS907.00 TO FS920.00 AT EXTERNAL FUSELAGE CENTER SECTION MUST BE REPLACED PER CRJ900 SRM 51-10-06-001-001-A01 AND SRM 51-42-21-001-001-A01