# SDR CALA2019053100866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2019
- Submitted: May 31, 2019
- Operation: Air carrier
- Aircraft: [N843UA](https://openairdocs.org/aircraft/N843UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1573
- Aircraft time: 57,671 hours, 24,980 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019053100866

## Discrepancy

(A3NB-23-3-6018) REMOVE AND REPLACE THE FWD CABIN EMERGENCY POWER SUPPLY. REFER TO N/R: 9619191. CHANGED DUE TO A FAILED BITE TEST. REMOVED AND REPLACED THE FWD CABIN EMERGENCY POWER SUPPLY. REFER TO N/R: 9619191. WORK ACCOMPLISHED. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1249105 SN OFF 5668 POWER SUPPLY, C  OFF 31-3350-9-9001 5668 ON 31-3350-9-9001 8186.

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