# SDR NSVA2009006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2009
- Submitted: February 5, 2009
- Operation: Air carrier
- Aircraft: N339CJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 339
- Aircraft time: 31,151 hours, 38,022 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Computer
- Part number: 6226190113
- Part serial: 3077
- Condition: Failed
- Location: Ahrs
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NSVA2009006

## Discrepancy

DPU BURNED UP, SCREEN WENT TO SKELETON ON LT SIDE.  FOUND DPU OK, FAULTY AHRS COMPUTER.  REMOVED AND REPLACED AHRS COMPUTER.

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