As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION ON THE FIRST FLIGHT POWER UP, MAINTENANCE NOTICED A STRONG ACRID ODOR THROUGH THE FORWARD CABIN AND COCKPIT. THE AIRCRAFT WAS REMOVED FROM SERVICE. INSPECTED ENTIRE AIRCRAFT. NO DAMAGE OR FAULTS NOTED. NO CIRCUIT BREAKER POPPED. POWERED AIRCRAFT AND RAN ALL SYSTEMS. NO ODOR OR FAULTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.