As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED FOR SCHEDULED MAINTENANCE. CORROSION ON INNER AFT FUSELAGE BETWEEN STA 1825 TO AFT OF STA 1844 AT S-27L. FABRICATED REPAIR DOUBLER AFT FUSELAGE BETWEEN STA 1825 TO 1862 IAW EO 13902 AND EA 47279REA04. INSTALLED REPAIR AFT FUSELAGE STA 1825 TO 1862 IAW EO 13902 AND EA 47279REA04.