# SDR SWIA200110094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2001
- Submitted: August 14, 2001
- Operation: Air carrier
- Aircraft: [N578SW](https://openairdocs.org/aircraft/N578SW), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120346
- Aircraft time: 6,717 hours, 9,957 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Relay
- Condition: Failed
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA200110094

## Discrepancy

INVERTER NR 1 FAILED IN FLIGHT, WOULD NOT RESET.INVERTER OPS CHECK OK, 115 VAC ESS BUS LIGHT ILLUMINATED.  FOUND K0005 RELAY BAD.  REPLACED K0005 115 ESS BUS SENSOR RELAY IAW MM 20-00-00.  INVERTER OPS CHECK NORMAL.

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