# SDR IPXA2025121779899

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2025
- Submitted: December 17, 2025
- Operation: Air carrier
- Aircraft: [N441UP](https://openairdocs.org/aircraft/N441UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27386
- Aircraft time: 32,376 hours, 20,939 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Fuel Sys
- Condition: Out Of Balance
- 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/IPXA2025121779899

## Discrepancy

FUEL CONFIG EICAS MSG 2.5 HOURS INTO FLIGHT. LEFT TANK 2,000LBS HIGHER THAN RIGHT TANK.   AIRCRAFT OK FOR SERVICE PER AMM 28-21-00-702-001. PERFORMED CROSSFEED LEAK CHECK PER AMM 28-22-02. NO LEAKS FOUND. OBSERVED PRESSURE REFUELING AND NO LEAKS FOUND AND NO FUEL MIGRATION 1 HR AFTER REFUEL. NO EXTERNAL LEAKS NOTED.

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