# SDR 7C7A2023050900033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2023
- Submitted: May 11, 2023
- Operation: Air carrier
- Aircraft: [N891EA](https://openairdocs.org/aircraft/N891EA), registered now
- Make and model: Dhav DHC8106
- Aircraft serial: 335
- Aircraft time: 54,031 hours, 57,654 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Contactor
- Part number: AA4N103
- Part serial: 83298
- Condition: Failed
- Part time: 54,031 hours, 57,654 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/7C7A2023050900033

## Discrepancy

UN-COMMANDED ENGINE #1 MOTORING AFTER A DC BUSS CAUTION LIGHT.  REPLACED A FAILED RELAY STUCK CLOSED.

---
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.