# SDR YENA2025071800733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2025
- Submitted: July 18, 2025
- Operation: Air carrier
- Aircraft: [N2165J](https://openairdocs.org/aircraft/N2165J), 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: 11679
- Aircraft time: 5,296 hours, 985 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 636D0015511
- Part serial: 54900
- Condition: Failed
- Location: Zone 400
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025071800733

## Discrepancy

FLT#354, DUB-JFK. (ETOPS) ENG 1 FIRE LOOP B  ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B ); REF LOGPAGE 4353751 ITEM #1 FOR REMOVED AND REPLACED OF AFT FIRE LOOP ASY REMOVED AND REPLACED. MDDR CLEARED DUE TO NO FAULTS SINCE THE LOOP HAS BEEN CHANGED. MX-4 UPDATED PLACARD RMEOVED MCC NOTIFIED.

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