# SDR SWAA010436

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2001
- Submitted: February 20, 2001
- Operation: Air carrier
- Aircraft: N657SW
- Make and model: Boeing 737-3L9
- Registry model: [Boeing 737-3L9](https://openairdocs.org/model/boeing-737-3l9) (OpenAirDocs)
- Aircraft serial: 23331
- Aircraft time: 52,910 hours, 26,106 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Indicator
- Part number: H321AKM1
- Part serial: 7476
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA010436

## Discrepancy

DIVERSION, STANDBY ADI FAILED DURING CRUISE.  RESET C/B, NO HELP.  ALL OTHER SYSTEMS NORMAL.  REMOVED AND REPLACED STANDBY HORIZON PER MM, OPS CHECK GOOD.

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