As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON ANGLE ATTACHED TO STRINGER 26RT IN STA FS= 349 TO FS= 364 AT MAIN AVIONICS COMPARTMENT. CORRECTIVE ACTION: ANGLE ATTACHED TO STRINGER 26RT IN STA FS=349 TO FS=364 WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 PAR 6.C AND CRJ-900 SRM 51-42-20-001-001-A01 PAR 6.C.