As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS BACKUP GENERATOR BOTH BACKUPS OFF. VERY STRONG ELECTRICAL FUMES THROUGH OUT CABIN AND COCKPIT. TURNED OFF BUT NOT BACKUP GENS, ELECT FUMES RETURNED 15 MINUTES LATER AND TURNED OFF IFE/PAX SEATS CABIN UTILITY SMELL WENT AWAY. STARTED APU NO PROBLEM. (M)