As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC IS OUT OF SERVICE FOR HEAVY CHECK, MAINTENANCE DISCOVERED LEVEL 2 CORROSION ON AFT FUSELAGE TO BODY FAIRING ACCESS PANEL 195ML TO BE OUT OF REPAIRABLE LIMITS. MAINTENANCE REMOVED AND REPLACED THE PANEL. AC REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.