# SDR SWIA200210804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2002
- Submitted: April 26, 2002
- Operation: Air carrier
- Aircraft: [N190SW](https://openairdocs.org/aircraft/N190SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120050
- Aircraft time: 36,358 hours, 44,424 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Computer
- Condition: Faulty
- Location: Nr 2
- Stage of operation: CL
- 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/SWIA200210804

## Discrepancy

FIRST OFFICER'S EHSI TURNED 30-40 DEGREES RIGHT WHILE CLIMBING STRAIGHT OUT.  FIRST OFFICER'S RMI HEADING INFORMATION MATCHES CAPTAIN'S EHSI, RMI AND MAGNETIC COMPASS.  RESET FIRST OFFICER'S HEADING BY SWITCHING FIRST OFFICER'S COMPASS COMPENSATOR MOMENTARILY TO DG MODE.  NO ASSOCIATED FLAGS OR WARNINGS.  REPLACED NR 2 AHRS COMPUTER AND PERFORMED ORIENTATION.  OPS CHECK GOOD.

---
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.