What was found
DURING TAXI APU SEIZED AND SHUT DOWN WITH A PUNGENT ELECTRICAL SMELL. SMOKE EXITING FROM APU DOOR. RECEIVED APU FAULT CAUTION MSG. REMOVED AND REPLACED APU.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI APU SEIZED AND SHUT DOWN WITH A PUNGENT ELECTRICAL SMELL. SMOKE EXITING FROM APU DOOR. RECEIVED APU FAULT CAUTION MSG. REMOVED AND REPLACED APU.