# SDR YENA2025061300604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2025
- Submitted: June 13, 2025
- Operation: Air carrier
- Aircraft: [N4077J](https://openairdocs.org/aircraft/N4077J), 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: 11604
- Aircraft time: 5,965 hours, 924 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Fuel Filter
- Condition: Failed
- Location: Zone 100
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025061300604

## Discrepancy

FLT#2220, LHR-JFK. (ETOPS). 'APU FAILED AFTER COLD SOAK START (3)  ATTEMPTS ( APU SYSTEM A321NEO ETOPS ); FOLLOWED TSM 49-00-81-810-821-A. REPLACED FUEL FILTER IAW AMM 49-32-41 AND IGNITER PLUG IAW AMM 49-41-41. MDDR CLEAR. MX-4 UPDATED. PLACARD REMOVED. APU OPS CHECK GOOD.'

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