# SDR YENA20130714149

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2013
- Submitted: July 16, 2013
- Operation: Air carrier
- Aircraft: N258JB
- Make and model: Emb ERJ 190-100 IGW
- Registry model: [EMB ERJ 190-100 IGW](https://openairdocs.org/model/embraer-erj-190-100-igw) (OpenAirDocs)
- Aircraft serial: 19000047
- Aircraft time: 19,851 hours, 11,910 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Module
- Part number: 70265421901
- Part serial: 06036226
- Condition: Failed
- Location: Mau 3
- Part time: 19,698 hours, 11,955 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20130714149

## Discrepancy

ACFT DIVERTED DUE TO AVNX MAU 3A FAILURE.  AFTER LANDING CIRCUIT BREAKER B34 MAU 3 POWER TRIPPED.  R & R POWER SUPPLY MAU 3, POWER 1.  OPS CHECKED OK IAW FIM TASK 45-45-21-47.  THE FAULT REPEATED AND THE MAU3 NIC 1 PROC MODULE WAS R & R IAW AMM 31-41-04. OPS CHECKED NORMAL.

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