As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECYRICAL BURNING ODOR IN THE COCKPIT CAN SMELL AT THE MAIN DO OR AIRCRAFT HAS BEEN ON THE GROUND 24 HOURS WITH NO AIRCONDITIONING HOOKED UP. TEMPERATURES TODAY WERE IN HIGHS 80F. STARTED APU WITH PACKS ON. NO ELECTRICAL ODOR. INSPECTED COCKPIT ALL DISPLAYS OPERATIONAL.ALL INDICATIONS NORMAL. INSPECTED ELECTRONIC COMPARTMENT NO DEFECTS NOTED. ACFT OK TO CONTINUE.