SDR CALS097002

Service difficulty report · Pump · Boeing 747400

Difficulty date
January 20, 2008
Submitted
January 28, 2008
Operation
Air carrier
Aircraft
N168CL
Make and model
Boeing 747400
Aircraft serial
29906
Engine
Pwa PW4056
Engine time
35,893 hours, 6,200 cycles
Part
Pump
Part number
82550112
Part serial
0302
Condition
Contaminated
Location
Fuel Sys
Part time
15 hours, 15 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

RTO AT SGN DUE TO ENG-3 CONT MSG COME ON DURING T/O ROLL, THE DETAILED DESCRIPTION AS FOLLOWS: 1) DUE TO ENG-3 SVA ACTUATOR FAILURE TO CAUSE N2 OVERSPEED AND ENG-3 CONT MSG DURING A/C TAKE OFF ROLLING. 2) EEC FAULT MSG: ENG-3 SVA FAIL, ENG-3 OVERSPEED GOVERNOR FAIL, ENG-3 AOC VALVE FAIL. 3) EEC GROUND ACTUATION TEST FAULT MSG : AOC AND TCC ACTUATOR FAULT.

More about the Boeing 747-400