As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FRAME FS= 319.00 BETWEEN STRG 26LH TO 26RH AT MAIN AVIONICS COMPARTMENT. CORROSION ON FRAME FS= 349.00 BETWEEN STRG 26LH TO 26RH AT MAIN AVIONICS COMPARTMENT WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-00-06-201-005-A01 AND FRAME BTW S23L TO S24R WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01