As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT INTERCOSTAL CORRODED BETWEEN FRAMES 89 AND 90, AS MARKED. C-CHECK RO 1/18/2021. CORROSION DAMAGE FOUND TO BE OUT OF LIMIT DUE TO 100% MATERIAL LOSS. REMOVED AND REPLACED RT INTERCOSTAL BETWEEN FR 89-90, PER SRM 51-40-08. PAINTED FASTENERS PER SRM 51-23-06.