# SDR USAA2011072500016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2011
- Submitted: August 9, 2011
- Operation: Air carrier
- Aircraft: [N540UW](https://openairdocs.org/aircraft/N540UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4107
- Aircraft time: 5,490 hours, 2,070 cycles
- System (JASC): [2565 · Escape Slide](https://openairdocs.org/jasc/2565)
- Part: Decoder
- Part number: Z043H000351A
- Part serial: 043H00007027
- Condition: Faulty
- Location: Evac Slide
- Part time: 2,691 hours, 754 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2011072500016

## Discrepancy

CIDS PANEL WARNING 'CHECK 1L SLIDE PRESSURE'.  MAINTENANCE PLACED 1L DOOR SLIDE INDICATION ON MEL.  MAINTENANCE REMOVED AND REPLACED DECODER/ENCODER UNIT (FIN 300RH1).

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