As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING BULKHEAD DOOR POSTS LOWER SECTION LBL12 AT FS280.00 REMOVAL, CORROSION WAS FOUND ON CENTER FLOOR SUPPORT OF FS 280.00. CENTER FLOOR SUPPORT OF FS 280.00 WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 AND MUST BE REPLACED ON NRC00169.