# SDR YENA2026041000386

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2026
- Submitted: April 10, 2026
- Operation: Air carrier
- Aircraft: [N4074J](https://openairdocs.org/aircraft/N4074J), 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: 11354
- Aircraft time: 10,801 hours, 1,657 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Pressure System
- Part number: FRH100013A
- Part serial: Q49210058
- Condition: Failed
- Location: Apu
- Part time: 10,801 hours, 1,657 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2026041000386

## Discrepancy

FLT# 724, LAX-JFK. (ETOPS) "APU AUTOSHUTDOWN; REMOVED AND REPLACED SWITCH PRESSURE 7QC IAW AMM 28-22-83 OPS CHK GOOD A/C OK FOR CONT. SVC"

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