# SDR SA05096

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2005
- Submitted: August 25, 2005
- Operation: Air carrier
- Aircraft: [N175US](https://openairdocs.org/aircraft/N175US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1496
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32145410
- Condition: Failed
- Location: Passenger Cabin
- Part time: 15,461 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/SA05096

## Discrepancy

CLT - DURING TEST, RECEIVED FAULT MESSAGE, EPSU INT LOAD FWD L.  MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT AT THE FORWARD LOCATION.  OPERATIONALLY CHECKS OK.

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