# SDR ASOA00105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2000
- Submitted: December 4, 2000
- Operation: Air carrier
- Aircraft: N245AS
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120075
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Circuit Breaker
- Part number: CB0470
- Condition: Inoperative
- Location: Cockpit
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA00105

## Discrepancy

LFF-DFW - ON FINAL, CREW SELECTED FLAPS TO 45 DEGREES.  CREW RECEIVED A SINGLE CHIME ELECTRICAL MESSAGE ON MAP.  AT THE SAME TIME, EMERGENCY BUS OFF LIGHT CAME ON.  CREW PERFORMED A GO AROUND, DECLARED AN EMERGENCY, AND LANDED SAFELY.  MAINTENANCE REPLACED CIRCUIT BREAKER 0470 AND INSPECTED WIRING.  NO DEFECTS WERE NOTED.  OPERATIONAL CHECKS WERE GOOD.  AIRCRAFT RETURNED TO SERVICE.  (M)

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