As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FRAME 847.00 + 32.00 BTW STGR 26L TO STGR 26R AT FUSELAGE INTERNAL STRUCTURE. CORROSION ON FRAME 847.00 + 32.00 BTW STGR 26L TO STGR 26R AT FUSELAGE INTERNAL STRUCTURE WAS REMOVED PER CRJ-900 SRM 51-21-06-001-001-A01 AND EVALUATED WITHIN LIMITS PER CRJ900 SRM 53-51-06-101-003-A05.