As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: REFERENCE LP253733 ITEM #1: BURNING SMELL IN COCKPIT WHEN FIRST ARRIVING. CORRECTIVE ACTION: ITEM #1: PERFORMED INSPECTION OF ODOR IN CABIN/COCKPIT IAW AMM 49-00-00-200-812-A. NO FUMES NOTED. A/C OK FOR SERVICE. DISCREPANCY REFERENCE LP253733 ITEM #2: ODOR RETURNED WHEN NWS USED ON TAXI. CORRECTIVE ACTION ITEM #2: PERFORMED INSPECTION OF ODOR IN COCKPIT NO FUMES NOTED IAW TSM 05-50-00-818-831-A. A/C OK FOR SERVICE.