As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AVIONICS BAY L/H INBOARD INTER-COASTAL BETWEEN FR 364 AND FR 349 SIGNS OF CORROSION (C-CHECK RO 11/16/2023) REMOVED CORROSION ON AVIONICS BAY L/H INBOARD INTERCOSTAL BETWEEN FR 364 AND FR349, PERFORMED NDT UT/ET INSPECTION BY BARON NDT FAA CRS#5NDR545D, REPORT # S092723-3 AND EVALUATED BLENDED AREA AS FOLLOW: ORIGINAL THICKNESS 0.080". REMOVED MATERIAL 0.003". RAMAINING THICKNESS 0.077". THEREFORE IT IS WITHIN OF LIMITS IAW CRJ-200 SRM 53-00-00.