# SDR AALA2018082749011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2018
- Submitted: August 27, 2018
- Operation: Air carrier
- Aircraft: [N573UW](https://openairdocs.org/aircraft/N573UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5939
- Aircraft time: 16,236 hours, 6,277 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Decoder
- Part number: Z043H000351A
- Part serial: 043H00012954
- Condition: Defective
- Location: Cids
- Part time: 31,169 hours, 11,581 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2018082749011

## Discrepancy

CIDS INDICATED THE R2 DOOR SLIDE PRESSURE WAS LOW.  REPLACED  DECODER - ENCODER UNIT B, IAW AMM 23-73-47. OPS CHECKED OK.

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