# SDR COMA9910147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N263CA](https://openairdocs.org/aircraft/N263CA), registered now
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 1255
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Relay
- Part number: M61628
- Condition: Failed
- Location: Elec Bay
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9910147

## Discrepancy

THE EMERGENCY BUS LIGHT ILLUMINATED DURING FLIGHT AND WOULD NOT EXTINGUISH.  REPLACED RELAY KO440.

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