Service difficulty report · Probe · Boeing 777222

Difficulty date
July 15, 2010
Submitted
July 16, 2010
Operation
Air carrier
Aircraft
N783UA
Make and model
Boeing 777222
Aircraft serial
26950
Aircraft time
59,277 hours, 8,611 cycles
Engine
Pwa PW4090
Part
Probe
Condition
Faulted
Location
Fuel System
Stage of operation
CL
How discovered
O
Nature of condition
P
Precautionary procedure
O

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

What was found

FUEL IMBALANCE EICAS AFTER T/O. FOUND FUEL INDICATOR STUCK APPROX 62,000 LBS IN LT MAIN TANK. ALL FILL VALVE OPS CHECKED OK. SUSPECT LT MAIN TANK SINGLE POINT SENSORS 11 AND 20 ARE BAD. REPLACED PROBES NR11 & 20 IAW MM, OP'S CHECK`S OK.