# SDR 2000UALA00500

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: [N656UA](https://openairdocs.org/aircraft/N656UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25394
- Aircraft time: 35,427 hours
- Engine: Pwa PW4060
- System (JASC): [7314 · Engine Fuel Pump](https://openairdocs.org/jasc/7314)
- Part: Pump
- Part number: 5006286E
- Part serial: 1795
- Condition: Malfunctioned
- Location: Center Tank
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000UALA00500

## Discrepancy

WITH 1.1 FUEL IN CENTER TANK, WING GAUGES DISAGREE BY 2000 LBS.  AFTER CENTER TANK EMPTY, 2000 LBS IMBALANCE REMAINED.  FUEL USED SHOWED .3 DIFF, A-C REMAINED IN TRIM.  X-FEED FUEL LEFT TO RIGHT WITH A-P DISCONNECTED A-C ROLLED TO RIGHT.  *S/D*  IMBALANCE WAS RESULT OF LOW OUTPUT FROM RIGHT OVERRIDE PUMP.  PUMP WAS DIFFUSERLESS TYPE IN OVERRIDE POSITION.  DIFFUSER TYPE PUMP INSTALLED AND OPERATION CHECK GOOD.

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