As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON STRINGER 17RH IN BETWEEN FS280 AND FS295.00 WL72.50 NEAR CONDITIONED AIR DUCT BELOW FLOOR J/C:900-53-140-500 - REMOVED AND REPLACED NEW DOUBLER PART#SH670-32183-1 NEAR AIR DUCT BELOW FLOOR ON STRINGER 17 R/H BETWEEN FS280-FS295 WL 77.50 IAW CRJ900 SRM 51-42-13