As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AVIONICS COMPARTMENT CRAWLWAY SUPPORT ANGLE AT FS 280 HAS CORROSION, MARKED. C-CHECK RO 1/17/2021. REMOVED CORROSION FROM AVIONICS COMPARTMENT CRAWLWAY SUPPORT ANGLE AT FS 280 REF CRJ 700 SRM 51-21-06-001-001-A01. ORIGINAL MATERIAL THICKNESS .050" MATERIAL REMOVED .004". MATERIAL REMAINING .046", NDT NOTED. FOUND TO BE WITH IN LIMITS, REF CRJ700 SRM 53-11-10-001-003-A01.