As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT DIVERTED TO FPO ON ACCOUNT OF ODOR IN THE COCKPIT. EMERGENCY WAS DECLARED. MAINTENANCE PERFORMED CABIN ODOR INITIAL TROUBLESHOOTING IAW CARD 26L00021001. FOUND NO EVIDENCE OF CABIN ODORS. OPENED UP BOTH ENGINES INSPECTED AREA FOR LEAKS. NO LEAKS CAUSING ODORS. INSPECTED CABIN & E/E BAYS FOR BURNING EQUIPMENT SMELL, NONE NOTED. ALL CHECKS GOOD.