# SDR USAA2013032500018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2013
- Submitted: March 25, 2013
- Operation: Air carrier
- Aircraft: [N539UW](https://openairdocs.org/aircraft/N539UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4082
- Aircraft time: 11,652 hours, 4,398 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lens
- Part number: F10006003
- Condition: Missing
- Location: L4 Door
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2013032500018

## Discrepancy

PLASTIC LENS COVER OVER EMERGENCY LIGHT ON L4 DOOR IS MISSING.  REPLACED MISSING LENS COVER ON L4 DOOR.

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