# SDR F3LA2017041700110

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2017
- Submitted: April 17, 2017
- Operation: Air carrier
- Aircraft: [N718FR](https://openairdocs.org/aircraft/N718FR), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7575
- Aircraft time: 335 hours, 139 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Decoder
- Part number: Z043H000351A
- Part serial: 043H00035247
- Condition: Faulty
- Location: Zone 200
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/F3LA2017041700110

## Discrepancy

FAILS EPSU TEST.   REMOVED AND REPLACED DECODER - ENCODER UNIT  IAW AMM 23-73-47-PB 401.  OPS TESTED NORMAL..

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