# SDR SIMA20250721001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2025
- Submitted: July 22, 2025
- Operation: Air carrier
- Aircraft: [N765ST](https://openairdocs.org/aircraft/N765ST), registered now
- Make and model: Emb ERJ 170-100 LR
- Registry model: [EMB ERJ 170-100 LR](https://openairdocs.org/model/embraer-erj-170-100-lr) (OpenAirDocs)
- Aircraft serial: 17000128
- Aircraft time: 32,508 hours, 28,613 cycles
- System (JASC): [2760 · Drag Control System](https://openairdocs.org/jasc/2760)
- Part: Fault Message
- Condition: False Activation
- Location: Spoilers
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20250721001

## Discrepancy

SPOILER FAULT AND SPEED BRAKE FAIL IN FLIGHT AT FL310. RAN QRH AND IT WENT AWAY. ABOUT 5 MINUTES LATER, SAME MESSAGES REAPPEARED AND QRH WAS RUN AGAIN. EMERGENCY DECLARED. C/W FIM TASK 27-03-00-810-92D-A, PERFORMED RETURN TO SERVICE TEST IAW EMB 170 AMM 27-00-00-070-801-A/200. OPS CHECK GOOD. NO EICAS MESSAGES, FOUND TO BE TRANSITORY CONDITION OF THE FLIGHT CONTROL SYSTEM.

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