As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAINT BURNING OR ELECTRICAL ODOR SMELLED IN COCKPIT INTERMITTENTLY FOR APPROXIMATELY TWO HOURS DURING CRUISE FLIGHT. PERFORM ENGINE RUN PER AMM 71-00-00/201. FOUND NO SMELL OF SMOKE OR FUMES IN COCKPIT AND CABIN PER FIM 21-00 TASK 1-4. OPS CHECKS GOOD ON GROUND. OK FOR SVC