SDR COZA20151215072

Service difficulty report · Dau · Boeing 737500

Difficulty date: December 13, 2015
Submitted: December 16, 2015
Operation: Air carrier
Aircraft: N732KA
Make and model: Boeing 737500
Aircraft serial: 25065
Aircraft time: 45,124 hours, 38,882 cycles
System (JASC): 2841 · Fuel Quantity Indicator
Part: Dau
Part number: 22330003B
Part serial: 2742
Condition: Intermittent
Location: Cockpit
Stage of operation: DE
How discovered: 9
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT WING FUEL QUANTITY INDICATOR INTERMITTENTLY DISPLAYED "0" WITH CODES 1, 2, 3, 5, 7, 10. IAW TROUBLESHOOTING WITH THE FAULT ISOLATION MANUAL, REPLACED THE RIGHT FUEL QUANTITY INDICATOR AND DIGITAL CALIBRATION TRIM UNIT ATTACHED TO THE INDICATOR. PERFORMED OPERATIONAL CHECKS WITH NO DEFECTS NOTED.

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