# SDR YENA2025031700262

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2025
- Submitted: March 17, 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: 13,377 hours, 2,000 cycles
- Engine: Iae PW1133GAJM
- Engine time: 13,377 hours, 2,000 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 636D0015509
- Part serial: 59347
- Condition: Faulted
- Location: Zone 400
- Part time: 438 hours, 69 cycles
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025031700262

## Discrepancy

FLT#20, LHR-JFK. (ETOPS) 'ECAM ENG FIRE LOOP A FAULT ( ENGINE FIRE DETECTION SYSTEMS 1) LOOP A ); REF TSM 26-12-00-810-912-A FOUND AGB LOOP A TERMINALS A/C SHORTING TO DETECTOR CASE. REPLACED ENG 1 FIRE LOOP A 4001WD1 IAW AMM 26-12-17. OPS CHK OK. FAULT CLEARED. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED.'

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