# SDR 2000UALA00453

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: [N643UA](https://openairdocs.org/aircraft/N643UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25093
- Aircraft time: 41,460 hours, 6,486 cycles
- Engine: Pwa PW4060
- System (JASC): [2841 · Fuel Quantity Indicator](https://openairdocs.org/jasc/2841)
- Part: Connector
- Condition: Loose
- Location: Fuel Qty
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000UALA00453

## Discrepancy

LEFT FUEL QTY UNRELIABLE.  FLUCTUATED BETWEEN 2000 LBS LOW WITH 10000 LBS IN CTR, BALANCED FUEL.  LATER LEFT TANK INDICATING LBS HIGH.  CHRONIC PROBLEM.  AIRCRAFT REMOVED FROM ETOPS.  *S/D*  THE LEFT MAIN TANK FQIS TANK UNITS AND COMPENSATOR WERE CHECKED FOR SECURITY AND CLEARANCE  AND THE LO-Z CONNECTION TO TANK UNIT 13 (TS 302) WAS FOUND TO BE LOOSE.  AFTER TIGHTENING THE CONNECTION A CAPACITANCE CHECK OF ALL TANK UNITS WAS PERFORMED WITH ALL VALUES WITHIN SPEC.  THE REPAIR WAS ACCOMPLISHED 8/6/00 WITH SYSTEM OPERATION NORMAL TO DATE.

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