# SDR MALA030504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2003
- Submitted: November 25, 2003
- Operation: Air carrier
- Aircraft: N79XJ
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A079
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Detector
- Part number: 6225812001
- Part serial: 10863
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- 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/MALA030504

## Discrepancy

DURING FLT, YELLOW HEADING FLAG REPEATEDLY CAME ON, COULD BE FAILURE ON BOTH SIDES.  AIR RETURN TO MSP.  MAINTENANCE REPLACED NR 2 FLUX DETECTOR UNIT P/N 622-5812-001, S/N ON 29146, S/N OFF 10863.  PERFORMED COMPASS SWING PROCEDURE IAW 34-21-00, ALL CHECKS GOOD.

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