# SDR YENA2025111301103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2025
- Submitted: November 13, 2025
- Operation: Air carrier
- Aircraft: [N4058J](https://openairdocs.org/aircraft/N4058J), 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: 10619
- Aircraft time: 16,138 hours, 2,418 cycles
- System (JASC): [7420 · Ignition Harness (Distribution)](https://openairdocs.org/jasc/7420)
- Part: Ignition Sys
- Condition: Faulted
- Location: Nr 1 Engine
- 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/YENA2025111301103

## Discrepancy

FLT 123, JFK-LAX. (ETOPS) ENG 1 IGN FAULT ( IGNITION SYSTEMS A) SYSTEM A ); REMOVED AND REPLACED ENG 1 IGN A IGNITER PLUG PER AMM 74-21-01. TEST OK NO FAULTS NOTED. THIS CLEARS MDDR 600069 PLACARD REMOVED MX-4 UPDATED.  ENGINE: IAE, PW1133GAJM, SERIAL: P772351

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