# SDR IPXA2021111976143

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2021
- Submitted: November 19, 2021
- Operation: Air carrier
- Aircraft: [N446UP](https://openairdocs.org/aircraft/N446UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 27735
- Aircraft time: 34,730 hours, 18,927 cycles
- System (JASC): [2841 · Fuel Quantity Indicator](https://openairdocs.org/jasc/2841)
- Part: None
- Condition: None
- Location: Wings
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021111976143

## Discrepancy

INSPECTION TYPE:N/A*DIVERSION*NO EMERGENCY DECLARED*LANDED WITHOUT INCIDENT* NO POSSIBLE FUEL MIGRATION FROM R FUEL TANK TO L MAIN FUEL TANK. AFTER CENTER TANK EMPTIED, WITH FUEL BURNS ALMOST EQUAL (3.4 KPPH ON LEFT/ 3.2 KPPH ON RIGHT), RIGHT TANK APPEARED TO EMPTY AS MUCH FASTER RATE (NO APPARENT FUEL LEAK) TOTALIZERFOUND DEFUEL VLV BAD WHICH CONTRIBUTED TO FUEL CONFIGURE & QTY DIFFERENCIAL READINGS. ALL TANKS FUEL QTY READING GOOD. BITE & COMPARATOR TEST GOOD. REF AMM 28-41-01. TANK & FMC BOTH READING SAME. SYSTEM OK TO SVC. THIS CLEARS DEFERRAL.

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