As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE C-CHECK INSPECTION, A CRACK WAS DISCOVERED ON THE LOWER FORWARD CORNER OF THE AFT RIGHT SERVICE DOOR STATION 1620. REPAIR ACCOMPLISHED REMOVAL OF DAMAGED AREA, FABRICATION AND INSTALLATION REPAIR OF DOUBLER AND TRIPLER IN ACCORDANCE WITH DOUGLAS STRUCTURAL MANUAL.