As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL BTW FS= 349.00 TO FS= 364.00 NEAR STGR 27 AT MAIN AVIONICS COMPARTMENT. INTERCOSTAL BTW FS= 349.00 TO FS= 364.00 NEAR STGR 27 AT MAIN AVIONICS COMPARTMENT WAS REPLACED PER CRJ-900 SRM-51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.