# SDR CALA2018110502299

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2018
- Submitted: November 5, 2018
- Operation: Air carrier
- Aircraft: [N488UA](https://openairdocs.org/aircraft/N488UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1680
- Aircraft time: 54,070 hours, 23,541 cycles
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Contactor
- Condition: Warning Message
- Location: Dc Buss
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2018110502299

## Discrepancy

DC ESS BUS SHED DISPLAYED ON UPPER ECAM SCREEN. - EL EC REF TSM 24-60-00-710-801. BERG TOMC. REPLACED DC SHED ESSENTIAL BUS CONTACTOR, CKS OK, REF AMM24-62-5 5.

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