# SDR R61A2026041000103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2026
- Submitted: April 14, 2026
- Operation: Air carrier
- Aircraft: [N227JQ](https://openairdocs.org/aircraft/N227JQ), 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: 17000214
- Aircraft time: 43,045 hours, 28,172 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Mau
- Condition: Failed
- Location: Zone 100
- Stage of operation: AP
- 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/R61A2026041000103

## Discrepancy

ON FINAL APPROACH AVNX MAU 2A FAIL, AVNX MAU 3B FAIL, DC BUS 2 OFF, AND NUMEROUS ASSOCIATED MESSAGES. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. PERFORMED OPS CHECK, OPS CHECK GOOD. "

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