# SDR AALA201807039022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2018
- Submitted: July 3, 2018
- Operation: Air carrier
- Aircraft: [N921US](https://openairdocs.org/aircraft/N921US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6523
- Aircraft time: 11,463 hours, 4,362 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Decoder
- Part number: Z043H000351A
- Part serial: 8807
- Condition: Malfunctioned
- Location: R1 Door
- Part time: 11,460 hours, 4,361 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201807039022

## Discrepancy

R1 DOOR SLIDE HAD A CHECK SLIDE PRESSURE ON CIDS.  MAINTENANCE CHECKED SLIDE PRESSURE AND REPLACED DECODER UNIT BOX AT R1 DOOR IAW AMM 23-73-47, AND PERFORMED SATISFACTORY BITE CHECK.

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