As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A/C ARRIVED AT MCN ON FERRY FLIGHT FOR REPAIR OF 4' BY 5' HOLE WITH TEMPORY REPAIR AT Y=277 BELOW AND AFT OF MAIN CARGO DOOR. REMOVED TEMPORARY REPAIR, FABRICATED NEW DOUBLER AND INSTALLED REPAIR IAW PER APPROVED COTNEY ENGINE SKETCH B87-R02.