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, FOUND THE MAIN CARGO DOOR LOCK PIN ACTUATOR MOUNT ATTACHMENT SKIN TORN AND SEPARATED. REPAIR ACCOMPLISHED REMOVAL OF DAMAGED AREA, FABRICATION AND INSTALLATION AN INTERNAL FILLER AND AN EXTERNAL REPAIR DOUBLER IN ACCORDANCE WITH DER APPROVED DRAWING C88-R07 AND ENGINEERING ORDER 52-DC8-533.