# SDR 29GA2015021000001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2015
- Submitted: February 10, 2015
- Operation: Air carrier
- Aircraft: N412XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B412
- Aircraft time: 33,674 hours, 37,339 cycles
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Computer
- Part number: 8542M
- Part serial: 110
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/29GA2015021000001

## Discrepancy

LEFT PROPELLER AUTOCOARSEN ON FINAL APPROACH.  REPLACED AUTO COARSEN COMPUTER, SWITCH, AND PRESSURE SENSOR OPS SATISFACTORY.

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