As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE ODOR IN COCKPIT, NOT DETECTED BY FLIGHT ATTENDANT. ( CAPTAIN SAID IT HAD AN ODOR OF BURNED GRASS ). RAN BOTH PACKS INDIVIDUALLY AND RAN BOTH EIGNES ON APU AND ENGINE BLEED. CAN NOT DUPLICATE ANY ODOR IN COCKPIT. AIRCRAFT IS OK FOR SERVICE.