# SDR YENA2025080500801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2025
- Submitted: August 5, 2025
- Operation: Air carrier
- Aircraft: [N4062J](https://openairdocs.org/aircraft/N4062J), 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: 10839
- Aircraft time: 11,985 hours, 1,777 cycles
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transponder
- Condition: No Test
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025080500801

## Discrepancy

FLT#2260, MAD-BOS. (ETOPS) ATC/XPDR 2 FAILED DURING PRE FLIGHT ( ATC SYSTEM - TRANSPONDER SINGLE POSITION ); OPERATIONAL TEST OF THE ATC WAS ACCOMPLISHED AS PER AMM 34-52-00-740-004-A.NO FAULTS NOTED ON BOTH CHANNELS MX-4 UPDATED. PLACARD REMOVED.

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