# SDR CALA2026060516848

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2026
- Submitted: June 5, 2026
- Operation: Air carrier
- Aircraft: [N686UA](https://openairdocs.org/aircraft/N686UA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33468
- Aircraft time: 78,740 hours, 13,626 cycles
- System (JASC): [2841 · Fuel Quantity Indicator](https://openairdocs.org/jasc/2841)
- Part: Probe
- Part number: 2008100000202
- Part serial: 3552
- Condition: Faulty
- Location: Right
- Part time: 100,302 hours, 22,467 cycles
- Stage of operation: CL
- How discovered: L
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026060516848

## Discrepancy

FUEL CONFIG LIGHT CAME ON BELOW 1000 FT. RAN CK LST. THEN RT TNK FUEL WENT UP BY 1700 LBS PERFORMED FQIS BITE TEST PER FIM 28-41 TASK 848, FOUND MESSAGE "RM COMPENSATOR CONTAMINATED A01" ON LAST LEG IN FAULT HISTORY.  , PERFORMED WIRING CHECK FROM FUEL QTY PROCESSOR UNIT (M121) TO L TANK DENS OUTER TANK CONNECTOR ASSEMBLY (M1945) IAW WDM 28-41-21-1. ALL WIRES CHECKED GOOD. COMPLETED FUEL QTY INDICATOR SYALL MX STEPS AND QC ITEMS C/W SEE PREVIOUS UPDATES

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