As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BURNING ODOR/FUMES IN COCKPIT, FWD AIRCRAFT AFTER LIGHT TO MODERATE TURBULENCE. PERFORMED INSPECTION OF AIRCRAFT FOR BURNING SMELL AND FUMES IN COCKPIT/CABIN, GROUND RAN PACKS NR 1 AND NR 2 FOR POSSIBLE ODOR WITH GASPER VENTS AND RECIRC FANS NO ODOR DETECTED. DID A GVI OF ALL POSSIBLE ELECTRICAL ITEMS AND FOUND NOTHING. AIRCRAFT OK FOR SERVICE.