Service difficulty report · Processor · Boeing 767322

Difficulty date
September 22, 2009
Submitted
September 24, 2009
Operation
Air carrier
Aircraft
N647UA
Make and model
Boeing 767322
Aircraft serial
25284
Aircraft time
75,610 hours, 12,286 cycles
Engine
Pwa PW4060
Part
Processor
Part number
HG1057LR02
Part serial
3
Condition
Malfunctioned
Location
Fuel Indicator
Stage of operation
NR
How discovered
9
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

RIGHT FUEL QTY INDICATOR AND TOTALIZER INOP BLANKS OUT. TRIED NEW FUEL PROCESSOR UNIT AND COCKPIT FUEL INDICATOR NO HELP, SUSPECT TANK UNITS. SUGGEST CHECK HI-Z & LO-Z CONN'S FOR CONDITION AND SECURITY FOR RT TANK. REPLACED FUEL QUANTITY PROBE NR 8 IN RT TANK. BITE CHECKED FUEL QUANTITY PROCESSOR AND NO FAULTS INDICATED. LEAK CHECKED FUEL TANK ACCESS PANEL 641EB. NO LEAKS NOTED. REPLACED PROCESSOR DUE TO CODE 88 DISPLAYED WHEN DOING BITE CHECK. SHOULD HAVE DISPLAYED FAULT CODE OR 00. NORMAL OPS NOTED DURING OFF LOAD OF 6000 LBS OF FUEL.