# SDR COMA9630060

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N140N](https://openairdocs.org/aircraft/N140N), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A140
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Relay
- Part number: M83726291002P
- Condition: Defective
- Location: E/E Compt
- Stage of operation: TX
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9630060

## Discrepancy

LEFT MAIN BUS FAILED 4 TIMES AND RESET ITSELF EACH TIME AFTER 4 MINUTES.  REPLACED THE TIME DELAY RELAY 71PC.

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