As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE INSPECTION, THE CUSP ANGLE AT STA 210 LONGERON 18R WAS FOUND CORRODED BEYOND LIMITS. MAINTENANCE REPAIRED ANGLE IAW SRM 53-05 FIG 55 AND DAC DRAWING 9910078. REPAIR ANGLE FABRICATED FROM 7075-T6. RETURNED A/C TO SERVICE.