# SDR IPXA2025112983935

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2025
- Submitted: December 1, 2025
- Operation: Air carrier
- Aircraft: [N311UP](https://openairdocs.org/aircraft/N311UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27741
- Aircraft time: 73,875 hours, 25,008 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Pump
- Part number: 5006286F
- Part serial: 1909
- Condition: Leaking
- Location: Fuel Boost
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025112983935

## Discrepancy

*** AIR TURN BACK *** SUSPECT FUEL LEAK L SIDE. RAN QRH. TOTALIZER GOT UP TO 2.2 LESS THAN CALCULATED FUEL. AS WELL AS LEFT MAIN TANK 2.0 LESS THAN R MAIN TANK WITH FUEL LEAK QRH. AFTER TURNING C FUEL (SEE PIC LP) ++ TECH RECOMMENDS LEFT AUX OVERRIDE BOOST PUMP REPLACEMENT FOR WEAK PUMP PERFORMANCE. AUX PUMP REMOVED AND REPLACED PER AMM 28-22-05. OPS CK GD. LEAK CK GD

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