# SDR YENA2024062100887

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2024
- Submitted: June 21, 2024
- Operation: Air carrier
- Aircraft: [N4077J](https://openairdocs.org/aircraft/N4077J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 11604
- Aircraft time: 2,126 hours, 325 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Message
- Condition: False Activation
- Location: Cids
- 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/YENA2024062100887

## Discrepancy

FLT#1621, LHR-BOS. (ETOPS)  CLASS 2 CIDS 2 MSG ( CLASS II MX MSG DISPLAYED - CIDS ); PERFORMED OPS TEST OF CIDS 2 INTERFACE TEST OK IAW AMM 23-73-00. MDDR CLEARED MX-4 UPDATED.

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