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 27L. C-CHECK RO 1/6/2021. REFERENCE CAMP NR 21867157, 910220124/40 FOR REPLACEMENT OF AVI DOOR SURROUND INTERCOSTAL AT STGR 27L BETWEEN FS 349-FS 364. SEE CONTINUE CARD FOR MAINTENANCE PERFORMED.