# SDR 200602031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2006
- Submitted: February 6, 2006
- Operation: Air carrier
- Aircraft: N646RW
- Make and model: Emb ERJ 170-100
- Registry model: [EMB ERJ 170-100](https://openairdocs.org/model/embraer-empresa-brasileira-de-erj-170-100) (OpenAirDocs)
- Aircraft serial: 17000066
- Aircraft time: 2,425 hours, 1,565 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- 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/200602031

## Discrepancy

FLT 7623 HPN-ORD MAU 3 FAIL IN CRUISE, A/C DIVERTED TO DTW PER QRH.  RESET C/B`S MCDU 2, MAU 3 PWR 1, AND MAU 3 PWR 2.  ALL OPERATIONAL CHECKS GOOD IAW EMB 170 FAULT ISOLATION MANUAL SUB TASK 34-61-00-810-808-A.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.