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 AND CRACKS WERE DETECTED ALONG THE LOWER EDGE OF THE FUSELAGE AFT SERVICE DOOR AND DOOR FRAME BETWEEN LONGERONS 16 AND 17 AT AXXPRXIMATE FS1500. REPAIR ACCOMPLISHED REMOVAL OF DAMAGED AREA, FABRICATION AND INSTALLATION OF REPAIR DOUBLERS IN ACCORDANCE WITH DOUGLAS STRUCTURAL MAINTENANCE MANUAL AND ENGINEERING DIRECTIVE EDP82-2.