# SDR YENA2025041600406

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2025
- Submitted: April 16, 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: 13,729 hours, 2,057 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fdu
- Part number: 9090120201
- Part serial: A0061823
- Condition: Faulted
- Location: Nr 2 Engine
- Part time: 7,665 hours, 1,388 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/YENA2025041600406

## Discrepancy

FLT#32, AMS-BOS. '(ETOPS) ' ENG 2 FIRE LOOP B FAULT ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B ); (RESOLVED ON W/O: 1406593 TASKCARD: NR-00001 ) REMOVED AND REPLACED FDU PER TECH SUPPORT IAW AMM 26-12-34. OPS CHECK NORMAL WITH NO FAULTS THIS ACTION CLEARS MDDR 579863 MX 4 UPDATED PLACARD REMOVED MCC NOTIFIED.

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