# SDR USAA20110603BA046

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2011
- Submitted: June 4, 2011
- Operation: Air carrier
- Aircraft: [N272AY](https://openairdocs.org/aircraft/N272AY), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0333
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32146210
- Condition: Faulty
- Location: Cabin
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA20110603BA046

## Discrepancy

MAD - FLT 741  EN ROUTE MAD TO PHL.  THE EMERGENCY LIGHTS STAYED ON WHEN ARMED.  THE FLIGHT RETURNED TO GATE WITHOUT FURTHER INCIDENT.  EPSU 3R REPLACED.

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