# SDR SWIA971003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N188SW](https://openairdocs.org/aircraft/N188SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120039
- Engine: Pwa PW118A
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Connector
- Condition: Dirty
- Location: Ahrs Computer
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA971003

## Discrepancy

INFLIGHT NUMBER ONE AHRS FAILED ADI WENT TO 90 DEGREES UP, HDG OSCILLATED AT 210 DEGREES.  WHEN AHRS FAILED HDG'S WERE WITHIN 5 DEG OF EACH OTHER.  RETURNED TO LAX.  REMOVED NUMBER ONE AHRS COMPUTER, CLEANED CONNECTOR, REINSTALLED AND REINITIALIZED.  ALL CHECKS GOOD.

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