# SDR R61A2018052530605

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2018
- Submitted: May 25, 2018
- Operation: Air carrier
- Aircraft: [N745YX](https://openairdocs.org/aircraft/N745YX), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000670
- Aircraft time: 2,530 hours, 1,720 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Circuit Breaker
- Condition: Tripped
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2018052530605

## Discrepancy

RECEIVED AN EICAS MESSAGE FOR AVNX MAU 3A FAIL, DURING CRUISE FLIGHT. DECLARED AN EMERGENCY, LANDED WITHOUT INCIDENT.  FOUND MAU 3 PWR 1 CIRCUIT BREAKER TRIPPED. CLOSED THE CIRCUIT BREAKER, MESSAGE CLEARED.

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