As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A MX EVENT, DAMAGE WAS DISCOVERED ON THE AFT CARRY THROUGH SPAR STRUCTURE. DAMAGE INCLUDES FWD UPPER SPAR WEB FLANGE CRACKS AND MISSING MATERIAL AT SAME LOCATION. PREVIOUS EFFORTS IN REPAIRING THIS AREA HAVE RESULTED IN ADDITIONAL FASTENER LOCATIONS PENETRATING THE UPPER FLANGE. UPON DISCOVERY, ACFT WAS SUBMITTED TO MRO. MRO REQUESTED AND RECEIVED ENGINEERING PLANS. REPAIRS ARE IN PROCESS.