As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND FRAME SECTOR 364 BETWEEN STRINGER 18R AND 20R PLUG REINFORCEMENT ANGLE TO BE CORRODED. REPAIRED CENTER FS 364 FRAME IAW CRJ 900 SRM 51-42-06-001-001-A01,51-42-21-001-001-A01 FRAME AND REINFORCEMENT ANGLE FABRCATED IAW MHIRJ SNIEO SH670-31070-501,SH670-31070-502 AND SH670-31119-501 AND SNIEO SH670-31116-501.