# SDR YENA2025121601224

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2025
- Submitted: December 16, 2025
- Operation: Air carrier
- Aircraft: [N2142J](https://openairdocs.org/aircraft/N2142J), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 10254
- Aircraft time: 17,166 hours, 3,197 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Not Reported
- Condition: Not Reported
- 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/YENA2025121601224

## Discrepancy

FLT # 2233 BOS-SFO (ETOPS). " (PACKS); FOR CORRECTIVE ACTION REF LP 4500480 ITEM 1 MDDR CLEARED MX-4 UPDATED PLACARD REMOVED".

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