As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RH/LH SEAT TRACK FS349-FS379 9RBL AND FS374-FS384 9LBL AT PASSENGER CABIN CORROSION AT SEAT TRACK FS349-FS484 9RBL AND FS- 374-FS485 9LBL AT PASSENGER CABIN WAS EVALUATED OUT LIMITS PER CRJ-900 SRM 53-21-49-101-001-A01, THEREFORE WERE REPLACED PER CRJ-900 AMM 53-00-49-000-801 CONFIG A07, CRJ-900 SRM 51-41-02-001-001-A01 AND AMM 20-21-00-910-801(CONF A01)