Service difficulty report · Processor · Boeing 757222

Difficulty date
October 9, 2013
Submitted
October 10, 2013
Operation
Air carrier
Aircraft
N534UA
Make and model
Boeing 757222
Aircraft serial
25129
Aircraft time
72,883 hours, 26,849 cycles
Engine
Pwa PW2037
Part
Processor
Condition
Faulty
Location
Fuel System
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

CENTER FUEL TANK IND BLANK & TOTALIZER BLANK EICAS MESSAGE FUEL QTY IND. TOTALIZER & CALCULATOR DIFFERED GREATLY, LT & RT TANKS FLUX FROM 4000-6000LBS INDICATION. CENTER BLANKED OUT & IT WAS EMPTY. DURING DESCENT TOTALIZER & CALCULATOR INDICATIONS GRADUALLY CAME TOGETHER. REPLACED FUEL QTY PROCESSOR IAW MM, GROUND CHECKED NORMAL. CENTER TANK WILL BE DEFERRED DUE TO HISTORY OF CENTER TANK PROBLEMS.