As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE D-CHECK INSPECTION, CORROSION WAS FOUND ON LONGERON ONE AT FUSELAGE STATION 866. REPAIR ACCOMPLISHED CORROSION REMOVAL, FABRICATION AND INSTALLATION OF TWO REPAIR ANGLE DOUBLERS IN ACCORDANCE WITH FAA PER APPROVED DRAWING C88-R24 AND ENGINEERING ORDER 53-DC8-515.