# SDR CALA2023111503361

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2023
- Submitted: November 15, 2023
- Operation: Air carrier
- Aircraft: N413UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 470
- Aircraft time: 92,414 hours, 35,791 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Sdac
- Part number: 350E5500206
- Part serial: OE5020953
- Condition: Faulty
- Location: 1wv1
- Part time: 12,437 hours, 5,634 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023111503361

## Discrepancy

DC ESS BUS SHED DISPLAYED ON UPPER ECAM SCREEN. - EL EC DC ESS BUS SHEDLOW SPEED REJECTREPEAT GRIPE PER TSM TASK 31-55-34-400-001-A, REPLACED NO. 1 SDAC, REF MM24-60-00-810-801-A, GROUND CHECK NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.