# SDR AALA201711139030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2017
- Submitted: November 15, 2017
- Operation: Air carrier
- Aircraft: [N510UW](https://openairdocs.org/aircraft/N510UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3858
- Aircraft time: 31,819 hours, 11,209 cycles
- System (JASC): [2565 · Escape Slide](https://openairdocs.org/jasc/2565)
- Part: Slide
- Part number: D31517717
- Part serial: M10766
- Condition: Faulty
- Location: R4 Door
- Part time: 9,603 hours, 3,690 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/AALA201711139030

## Discrepancy

AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY UNIT TEST FAILED. MAINTENANCE DETERMINED R4 DOOR SLIDE WAS CAUSE OF FAULT AND REPLACED R4 DOOR SLIDE PER JOB CARD 26L00025010.

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