# SDR YENA2023031300231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N4064J](https://openairdocs.org/aircraft/N4064J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 10861
- Aircraft time: 1,598 hours, 238 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Cids
- Part number: Z04H010035B
- Part serial: 014H01014502
- Condition: Failed
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023031300231

## Discrepancy

FLT#1620, BOS-LHR. (ETOPS) 'MX CIDS 1 ( CLASS II MX MSG DISPLAYED - CIDS ); REMOVED AND REPLACED CIDS 1 DIRECTOR IAW AMM 23-73-34.SECURITY AND OPS CHECK ARE GOOD.

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