# SDR YENA2026020600153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2026
- Submitted: February 6, 2026
- Operation: Air carrier
- Aircraft: [N4080J](https://openairdocs.org/aircraft/N4080J), 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: 11861
- Aircraft time: 7,203 hours, 1,097 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Faulted
- Location: Zone 400
- 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/YENA2026020600153

## Discrepancy

FLT  2220, LHR-JFK, (ETOPS). NR 1 ENGINE FIRE LOOP A FAULT. INTERMITTANT.   ENGINE FIRE DETECTION SYSTEMS 1, LOOP A .   REMOVED AND REPLACED ABG LOOP A AND B. ITEM LEFT OPEN FOR MONITORING. NO PREVIOUSE HITS. BITE CHECK OF FDU OK. MDDR CLEARED. MX-4 UPDATED. PLACAARD REMOVED

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