# SDR USAA2014101300002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2014
- Submitted: October 16, 2014
- Operation: Air carrier
- Aircraft: [N554UW](https://openairdocs.org/aircraft/N554UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4966
- Aircraft time: 9,154 hours, 3,821 cycles
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Decoder
- Part number: Z043H000351A
- Part serial: 043H00010868
- Condition: Inoperative
- Location: Zone 200
- Part time: 21,553 hours, 7,047 cycles
- Stage of operation: IN
- 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/USAA2014101300002

## Discrepancy

DOOR 2L INDICATES CHECK SLIDE PRESS.  REPLACED DECODER & ENCODER UNIT B 300RH4 IAW AMM 23-73-47 & CIDS POWER UP TEST AMM 23-73-00-740-005 & GND SCANNING.  POWER UP TEST NORMAL & GND SCAN, NO FAULTS.

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