# SDR IPXA2026092497562

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2026
- Submitted: September 24, 2026
- Operation: Air carrier
- Aircraft: [N431UP](https://openairdocs.org/aircraft/N431UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25462
- Aircraft time: 32,830 hours, 22,366 cycles
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Fuel
- Condition: Out Of Balance
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026092497562

## Discrepancy

TWICE IN A FOUR HOUR FLIGHT WE HAD OVER 1000LBS IMBALANCE WHICH WE CORRECTED VIA X-FEED DEFERRED FUEL IMBALANCE EVALUATION PER AMM 28-21-00-702-001

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.