Service difficulty report · Processor · Boeing 737890

Difficulty date
February 28, 2012
Submitted
March 1, 2012
Operation
Air carrier
Aircraft
N514AS
Make and model
Boeing 737890
Aircraft serial
35193
Aircraft time
12,857 hours, 4,110 cycles
Part
Processor
Condition
Faulted
Location
Fuel System
Stage of operation
CR
How discovered
O
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

INTIAL FUEL CALCULATIONS ON FLIGHT PLAN ACCURATE APPROACHING 1/3 OF FLIGHT SHOWED 400 600 OVERBURN. AT CRITICAL POINT 900# OVER BRUN. AT 2/3 OF FLT 1400# OVERBURN. DURING A 5 MIN PERIOD WATCHED TOTAL FUEL QUANTITY DECREASED BY 400# NO INDICATIONS OF FUEL LEAK. PERFORMED FQIS BITE PER FIM 28 41 TASK 801 FOUND CENTER TANK PROCESSOR FAULT ATA 28 41310 PERFORMED FIM TASK 28 41 00 810 809 GROUND TEST PASSED FAULT IS CLASSFIED INTERMITTENT.