# SDR AALA201902189006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2019
- Submitted: February 18, 2019
- Operation: Air carrier
- Aircraft: [N507AY](https://openairdocs.org/aircraft/N507AY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3712
- Aircraft time: 36,676 hours, 13,051 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Decoder
- Part number: Z043H000351A
- Part serial: 043H00010546
- Condition: Inoperative
- Location: L4 Door Bottle
- Part time: 36,676 hours, 13,051 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201902189006

## Discrepancy

L4 DOOR SLIDE BOTTLE PRESSURE WAS LOW.  REMOVED AND REPLACED DEU B, DECODER UNIT IAW AMM 23-73-47.  OPS CHECKED GOOD.

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