# SDR UALA2008111303845

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2008
- Submitted: December 23, 2008
- Operation: Air carrier
- Aircraft: [N798UA](https://openairdocs.org/aircraft/N798UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26928
- Aircraft time: 44,978 hours, 6,765 cycles
- Engine: Pwa PW40903
- System (JASC): [2842 · Fuel Quantity Sensor](https://openairdocs.org/jasc/2842)
- Part: Probe
- Part number: 1833KTU01
- Condition: Faulty
- Location: Fuel Tank
- Stage of operation: CR
- How discovered: O
- Nature of condition: W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2008111303845

## Discrepancy

FUEL IMBALANCE MSG DISPLAYED.  LEFT TANK FUEL QTY INDICATOR IS FAILING.  SHOWED 3.5 LOW, HAS HISTORY.  IDENTIFIED SEVERAL PROBES WITH POSSIBLE FAULTS.  PROBES REPLACED (REPLACED NR 1, 3 & 6 LEFT CENTER TANK UNITS), CLOSING UP & LEAK CHECKING.  OP CHECKS NORMAL.

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