# SDR YENA2026013000093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N4083J](https://openairdocs.org/aircraft/N4083J), 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: 11903
- Aircraft time: 6,796 hours, 1,013 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Control Unit
- Part number: 9306201002
- Part serial: 1146AA3089
- Condition: Failed
- Location: Wx Radar Sys
- Part time: 6,821 hours, 1,018 cycles
- 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/YENA2026013000093

## Discrepancy

FLT # 2010 LAX-PBI (ETOPS).  LIGHT GREEN ARROW, TURB BUTTON ON WX RADAR PANEL INOPERATIVE ( WEATHER RADAR SYSTEMS 4) TURBULENCE DETECTION MODE ).; R & R  WXR CONTROL UNIT PER AMM 34-41-12. BITE TEST OK MX-4 UPDATED.

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