# SDR 0600653135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2006
- Submitted: April 3, 2006
- Operation: Air carrier
- Aircraft: [N335NB](https://openairdocs.org/aircraft/N335NB), registered now
- Make and model: Airbus A319-114
- Registry model: [Airbus A319-114](https://openairdocs.org/model/airbus-a319-114) (OpenAirDocs)
- Aircraft serial: 1662
- Aircraft time: 11,938 hours, 5,917 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 4489
- Condition: No Test
- Location: Emergency Light
- Part time: 11,938 hours, 5,917 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0600653135

## Discrepancy

DURING A-CHECK, THE AFT EMERGENCY POWER SUPPLY UNIT TEST FAILED.  REPLACED EPSU  31-3350-9-0001, S/N 04489 AND BATTERY PACK.

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