# SDR DALA2019021300943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2019
- Submitted: February 13, 2019
- Operation: Air carrier
- Aircraft: [N505DN](https://openairdocs.org/aircraft/N505DN), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0164
- Aircraft time: 5,388 hours, 479 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Rccb
- Condition: Failed
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019021300943

## Discrepancy

RETURNED TO DEPARTURE DUE TO ALL EMERGENCY LIGHTS ILLUMINATED, IFE AND LAVATORIES LOST POWER. CREW RESET CIDS 1 AND 2 WITH NO HELP. ON ARRIVAL TRANSFERRING POWER FROM ENGINES TO APU, ALL POWER WAS RESTORED. REPLACED DC RCCB (11PN). LP 4983381

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