As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFTER NUMBER 1 ENGINE START THE NUMBER 1 ENGINE GENERATOR DROPPED OFF AFTER A COUPLE MINUTES WITH ASSOCIATED ELECTRICAL BURNT SMELL. APU WAS REPLACED WITH AN 8130 CERTIFIED APU. PER TASK CARD 08C30049002, OPERTIONAL CHECKS GOOD.