SDR UALA2012091305184

Service difficulty report · Probe · Boeing 777222

Difficulty date: September 12, 2012
Submitted: September 14, 2012
Operation: Air carrier
Aircraft: N226UA
Make and model: Boeing 777222
Aircraft serial: 30226
Aircraft time: 45,228 hours, 5,486 cycles
Engine: Pwa PW40903
System (JASC): 2842 · Fuel Quantity Sensor
Part: Probe
Condition: Faulty
Location: Fuel System
Stage of operation: IN
How discovered: O
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

DURING REFUELING FOUND RIGHT MAIN FUEL TANK QTY INDICATION INTERMITTENT BETWEEN 40,000 TO 57,000 LBS. DRIPSTICK READING CARRIED OUT. FUEL QTY MAINT PAGE SHOW TANK UNIT RIGHT MAIN 11, 12, 13 SHOW 0.0-0.8. TANK UNIT, PCN 483-0030 EXPEDITED. REPLACED FQPU, NO HELP. FQPU BACK TO ORIGINAL. REPLACED RIGHT TANK PROBES.