What was found
DURING SHORT FINAL TO HESPERIA AIRPORT MED CREW REPORTED A FIRE AT THE ELECTRICAL OUT LET MED CREW UNPLUGED MINI MED PUMP POWER ADAPTER THEN REPORTED TO PILOT FIRE WAS OUT PILOT CONTACTED MAINTENANCE MECHANICS ARRIVED FINDING THAT THE MED PUMP ADAPTER HAD SHORTED OUT CAUSING THE ISSUE MAINTENANCE CHECKED POWER OUTLETS OF AIRCRAFT AND DETERMINED THAT THE AIRCRAFT PLUG WAS FINE RETURNED THE AIRCRAFT BACK TO SERVICE REMOVING THE POWER PACK PLUG .