# SDR MALA000562

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2000
- Submitted: October 10, 2000
- Operation: Air carrier
- Aircraft: N79XJ
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 079
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Switch
- Part number: 1103PO620
- Condition: Failed
- Location: Autocoarsen Sys
- 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/MALA000562

## Discrepancy

AUTOCOARSEN LIGHT ILLUMINATED.  ORH COMPLETED.  LIGHT EXTINGUISHED AND RE-ILLUMINATED.  AIR TURNBACK TO MSP.  MAINTENANCE CND FOR TROUBLESHOOTING PURPOSES REPLACED THE LT AND RT AUTOCOARSEN PRESSURE SWITCH, OPS CHECK GOOD AT THIS TIME.

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