# SDR SWIA971362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 1999
- 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 PW118B
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Relay
- Condition: Failed
- Location: Dc Elect Syst
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA971362

## Discrepancy

FO'S ATTITUDE HEADING INDICATOR FAILED IN FLIGHT.  RETURNED TO SLC.  REPLACED EMERGENCY BATTERY RELAY BOX.

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