# SDR YENA2025041800410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2025
- Submitted: April 18, 2025
- Operation: Air carrier
- Aircraft: [N4076J](https://openairdocs.org/aircraft/N4076J), 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: 11513
- Aircraft time: 6,506 hours, 965 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 636D0015509
- Part serial: 52914
- Condition: Failed
- Location: Zone 400
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025041800410

## Discrepancy

FLT#33, BOS-CDG. (ETOPS)'ENG 2 FIRE LOOP A FAULT ECAM APPEARED SEVERAL TIMES INTERMITTENTLY THEN REMAINED ON. ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A ); REMOVED AND REPLACED ENG #2 AGB CORE LOOP A (4002WD1) IAW AMM 26-12-17. OPS CHECK GOOD, NO FAULTS NOTED. THIS CLEARS THIS MDDR PLACARD REMOVED MX-4 UPDATED. MCC NOTIFIED.

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