# SDR C77A20170712002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2017
- Submitted: July 12, 2017
- Operation: Air carrier
- Aircraft: N628CZ
- 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: 17000233
- Aircraft time: 25,300 hours, 14,521 cycles
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Mau
- Part number: 70253651901
- Part serial: 08033908
- Condition: Failed
- Part time: 25,310 hours, 14,525 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C77A20170712002

## Discrepancy

MULTIPLE FAIL MESSAGES INDUCE FROM A MOMENTARY MAU 3 INTERRUPTION. CREW DECLARED AN EMERGENCY. SPOILER FAULT,  AD3 FAIL,  ADS 4 SLIP COM. R & R GIO MAU 3 SLOT 9/10 IAW AMM 31-41-06 ALL MSGS REMOVED.

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