# SDR SA04110

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2004
- Submitted: November 29, 2004
- Operation: Air carrier
- Aircraft: [N116US](https://openairdocs.org/aircraft/N116US), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1210
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32145410
- Condition: Faulty
- Location: Emergency Light
- Part time: 11,354 hours
- 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/SA04110

## Discrepancy

THE RIGHT SIDE MID-CABIN EMERGENCY POWER SUPPLY UNIT INDICATED INOP WHEN IT FAILED THE EMERGENCY LIGHTS TEST.  MAINTENANCE REPLACED THE MID-CABIN, RIGHT SIDE, EMERGENCY POWER SUPPLY UNIT.  OPERATIONALLY CHECKS OK.

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