# SDR YENA2026100900933

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2026
- Submitted: October 9, 2026
- Operation: Air carrier
- Aircraft: [N4073J](https://openairdocs.org/aircraft/N4073J), 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: 11129
- Aircraft time: 14,719 hours, 2,202 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Pump
- Part number: C12CB0013
- Part serial: 11938
- Condition: Failed
- Location: Zone 100
- Part time: 14,729 hours, 2,204 cycles
- Stage of operation: TX
- 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/YENA2026100900933

## Discrepancy

FLT 033, BOS-CDG. (ETOPS) AT PREFLIGHT APU START APU FUEL LO PR ECAM (APU FUEL PUMP).   R & R APU FUEL PUMP IAW AMM 28-22-51. OPS & LEAK CHKD GOOD. FAULT IS CLEARED. MX-4 UPDATED. PLACARD RMVD.

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