# SDR MALA010758

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2001
- Submitted: October 22, 2001
- Operation: Air carrier
- Aircraft: N452XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B452
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Computer
- Condition: Malfunctioned
- 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/MALA010758

## Discrepancy

DURING FLIGHT 3399, YELLOW HEADING ON EHSI COMING ON INTERMITTENTLY DURING FLIGHT.  ATTEMPTED TO SAVE SEVERAL TIMES DURING STRAIGHT AND LEVEL, NO CORRECTIONS NOTICED.  MAINTENANCE REINITIALIZED BOTH AHRS SYSTEMS.  ALL CHECKS GOOD IAW SF-340 MM CHAP 34.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.