As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AVIONICS BAY DOOR SURROUND STRUCTURE, INTERCOSTAL CORRODED AT STGR 27R BETWEEN FS 349 AND FS 364. C-CHECK RO 1/6/2021. REMOVED AND REPLACED LATCH PIN INTERCOSTALS AT STR 27 BETWEEN FS 349-FS 364, IAW CRJ 700 SRM 51-42-06-001-001 (A01) 51-42-21-001-001 (A01). SEE CONTINUE CARD FOR MAINTENANCE PERFORMED. NO LEAKS FOUND.