As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TPE/ANC AT FIVE HOURS EN ROUTE A SMELL AND VISUAL OBSERVATION OF LITE SMOKE IN COCKPIT. AT SAME TIME DME 2 C/B POPPED, SMOKE AND SMELL DISSIPATED AFTER 20 MIN. INSPECTED NR 2 DME INTERROGATOR AND FOUND UNIT TO BE AT FAULT, NO EVIDENCE OF ANY ELECTRICAL WIRING DAMAGE OR ADJACENT COMPONENTS DAMAGE. TRANSFERRED NR 2 DME TO DMI M34SE1105-84 IAW MEL 34-52-1 CAT D. C/B WAS PULLED AND COLLARED.