# SDR MALA976651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N68XJ
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 068
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Computer
- Part number: 6226190113
- Condition: Malfunctioned
- Location: Avionics
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA976651

## Discrepancy

DURING CLIMB, 31 EADI DISPLAYED BLACK SKELETON SCREEN WITH RED ATT, FD, VOR, AND HDG FLAGS.  RETURNED TO MSP.  MAINTENANCE REPLACED NR 1 AHRS COMPUTER.  SYSTEM OPS CHECKS GOODS IAW SF340 MM.

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