# SDR IPXA2025122202811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2025
- Submitted: December 22, 2025
- Operation: Air carrier
- Aircraft: [N445UP](https://openairdocs.org/aircraft/N445UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27390
- Aircraft time: 31,678 hours, 20,627 cycles
- System (JASC): [2824 · Fuel Transfer Valve](https://openairdocs.org/jasc/2824)
- Part: Fuel Sys
- Condition: Out Of Balance
- Location: Zone 100
- Stage of operation: AP
- How discovered: O
- Nature of condition: J, F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025122202811

## Discrepancy

FUEL CONFIG EICAS DURING APPROACH. AFTER USING CTR TANK FUEL FLOWS WERE EQUAL. LEFT TANK SHOWED 2000 LESS THAN RIGHT.  WITH AP ON AILERON SHOWED MORE THAN 1 UNIT TO THE LEFT. AIRCRAFT ROLLED TO RIGHT WHEN AP WAS OFF . REPLACED VALVE 2 EA. REF. AMM 28-21-05-004-001 AND 28-21-05-404-009

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