# SDR UHLA2009071400052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2009
- Submitted: July 15, 2009
- Operation: Air carrier
- Aircraft: [N861RW](https://openairdocs.org/aircraft/N861RW), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000094
- Aircraft time: 10,961 hours, 6,020 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Module
- Part number: 70265421901
- Part serial: 05084519
- Condition: Inoperative
- Location: Eicas
- Part time: 5,566 hours, 3,429 cycles
- 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/UHLA2009071400052

## Discrepancy

AT CRUISE FL300 RECEIVED EICAS MESSAGE "AVNX MAU 2B FAIL" AND "ADS 2 FAIL".  FOLLOWED QRH PROCEDURES.  DECLARED EMERGENCY AND DIVERTED TO KCLT.  LANDED WITHOUT INCIDENT.  MAINTENANCE REMOVED AND REPLACED THE NIC PROC 4.  THERE HAVE BEEN NO WRITE UPS SINCE.

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