As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C CHECK INSPECTION, FOUND BS 2020 RBL 22 UPPER CHORD OF MAIN FRAME CORRODED AND A FLOOR SUPPORT. PERFORMED HFEC PER NDT MANUAL 51-00-00 PART 6. NO CRACKS NOTED. REPAIRED UPPER CHORD IAW AIA EDR NBR B4-05880. INSTALLED REPAIR IAW AIA EDR B4-05880. NON-ROUTINE TASK CARD NUMBER 26150.