Service difficulty report · Wire Harness · Boeing 777222

Difficulty date
March 24, 2007
Submitted
April 3, 2007
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
46,677 hours, 9,762 cycles
Engine
Pwa PW4077
Part
Wire Harness
Condition
Damaged
Location
Fuel Qty Ind
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

LEFT FUEL QTY INTERMITTENT. [SUP 4-20-07] AFTER TROUBLESHOOTING DETERMINED THAT LT MAIN FUEL QTY HARNESS NEEDED REPLACING. FINISHED REMOVAL AND INSTALLATION OF LT MAIN FUEL QTY HARNESS PER MM 28-41-05. DUE TO LT WING FUEL QTY HARNESS REPLACEMENT NEED TO OPS CHECK FQIS TANK UNITS AND DENSITOMETER PER MM 28-4 1-00-710-801 AND OPS CHECK FQPU PER MM 28-41-00-710-802. ACCOMPLISHED ALL CKS ALONG WITH FUEL TANK PANEL LEAK CHECKS. ALL TESTS AND OP CHECKS OK.