# SDR SIMA200619402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2006
- Submitted: July 26, 2006
- Operation: Air carrier
- Aircraft: N709GB
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145211
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Ahrs
- Condition: Failed
- Stage of operation: CL
- 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/SIMA200619402

## Discrepancy

ON TAKEOFF, LOST ATTITUDE AND HEADING ON BOTH PFD`S, ALSO GOT SPS ADVANCED ON EICAS.  REMOVED AND REPLACED AHRS 1 AND 2 FANS IAW EMB -135 AMM CHAPTER 34-21-03.  OPS CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.  (M)

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