Hawker 4000
Flight Crew Instrument; Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 30; Flight Crew Total 5300; Flight Crew Type 180
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Aircraft Aircraft Damaged; Flight Crew Diverted; Flight Crew Overcame Equipment Problem; General Maintenance Action; General Flight Cancelled / Delayed
Aircraft
Electrical issue MAU (Modular Avionics Unit) 2A fail; lost a lot of systems; notified ATC and diverted to ZZZ1. Textron called the issue an SEU (Single Event Upset) started at FL430; 8 min later around 13;000 feet; the majority of EICAS message fail lights when away; I did have for a few seconds a smell of electrical burn.
We had an electrical issue and we decided to divert to ZZZ that has maintenance for Hawker 4000. what my Captain told me that these situation had happen more than few times; they call it SEU (Single Event Upset).
After an MAU-2 failure; Flight Crew elected to divert and made a successful precautionary emergency landing.