As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT BATT RIB AT WS 53.6 IS CRACKED AT THE UPPER AFT FLANGE THROUGH RADIUS APPROXIMATELY 2 INCHES IN LENGTH ALSO DOUBLER ATTACHED TO BATT RIB IS CORRODED AROUND J410 AND J412. C-CHECK RO 12/30/2020. REPAIRD RT BATT RIB AT WS 53.6 WITH REO. COMPLETED TASK CARD AND ATTACHED COMPLETED FORM 337. NO WEIGHT CHANGE.