As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NWA MECHANIC NOTICED GAP BETWEEN THE AFT MOUNT SUPPORT FITTING AND THE AFT ENGINE MOUNT FITTING ON THE NR 3 ENGINE DURING ENGINE INSTALLATION. INSPECTION OF ALL DC-10-40 FLEET OF THE ENGINE MOUNTS AT THE NEXT ''A'' CHECK OR WITHIN 500 FLIGHT HOURS. (X)