# SDR MASA2026102600051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2026
- Submitted: October 27, 2026
- Operation: Air carrier
- Aircraft: [N87353](https://openairdocs.org/aircraft/N87353), registered now
- Make and model: Emb ERJ 170-200 LL
- Registry model: [EMB ERJ 170-200 LL](https://openairdocs.org/model/embraer-s-a-erj-170-200-ll) (OpenAirDocs)
- Aircraft serial: 17000681
- Aircraft time: 20,014 hours, 12,097 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Module
- Condition: Failed
- Location: Nr 1 Mau
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA2026102600051

## Discrepancy

MAU 1 FAIL (EMER DECLARED DUE TO MULTI FAULTS).  REMOVED AND REPLACED MAU PS1 POWER MODULE.

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