# SDR YENA2026041500398

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2026
- Submitted: April 15, 2026
- Operation: Air carrier
- Aircraft: [N4077J](https://openairdocs.org/aircraft/N4077J), 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: 11604
- Aircraft time: 8,876 hours, 1,381 cycles
- System (JASC): [3442 · Weather Radar System](https://openairdocs.org/jasc/3442)
- Part: Control Unit
- Part number: 9306201002
- Part serial: 1146AA2853
- Condition: Failed
- Location: Wx Radar
- Part time: 8,876 hours, 1,381 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/YENA2026041500398

## Discrepancy

FLT#2124, LAX-JFK. (ETOPS) "RADAR CONTROL PANEL HZD PUSH BUTTON ANNUNCIATOR LIGHT INOP. TURB PUSH BUTTON ANNUNCIATOR LIGHT INOP WHEN OVERHEAD ANN LT SWITCH IN DIM POSITION; REMOVED AND REPLACED WEATHER RADAR CNTL UNIT AS PER AMM 34-41-12 (3SQ) OPS CHK GOOD. NO FAULTS NOTED."

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