# SDR FDEA201406201495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2014
- Submitted: June 24, 2014
- Operation: Air carrier
- Aircraft: [N740FD](https://openairdocs.org/aircraft/N740FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 559
- Aircraft time: 44,406 hours, 17,990 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Circuit Breaker
- Condition: Failed
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201406201495

## Discrepancy

DURING CRUISE, LOST AC BUSS NR 1 ESSENTIAL BUSS & AC EMERGENCY BUSS WAS ON INVERTER.  LOST CAPTAIN`S ND, AUTOPILOT 1.  FOLLOWED QRH, TURNED OVERHEAD SUPPLY NR 1 ON.  REMOVED AND REPLACED CIRCUIT BREAKER 10 XH IAW SMP.

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