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, CORROSION WAS DETECTED ON LOWER KEEL BEAM CAP BETWEEN FUSELAGE STATIONS 742.2 AND 781.5. REPAIR ACCOMPLISHED CORROSION REMOVAL, FABRICATION AND INSTALLATION TWO REPAIR ANGLES IN ACCORDANCE WITH FAA PER APPROVED DRAWING E78-R02 AND ENGINEERING ORDER 53-DC8-915.