As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A BURNT ELECTRICAL SMELL IN THE COCKPIT WITHOUT THE PACKS ON. PIT MAINTENANCE WAS DISPATCHED, INSPECTED, AND REPLACED THE GP-300 IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 22-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.