As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY FS 349.00 LOWER FRAME CORRODED BETWEEN STR 26L AND STR 25R. C-CHECK RO 1/5/2021. REMOVED AND INSTALLED NEW FS 349.00 FRAME FROM STR 23L TO STR 24R, REF DRWG SH670-31350 REV A, CRJ 700 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01. NO LEAKS NOTED. COMPLIED WITH 51-900-1002-SKY.