Service difficulty report · Transmitter · Boeing 747400

Difficulty date
September 17, 2015
Submitted
September 18, 2015
Operation
Air carrier
Aircraft
N573UP
Make and model
Boeing 747400
Aircraft serial
35662
Aircraft time
28,190 hours, 4,442 cycles
Engine
Ge CF680C2B1F
Part
Transmitter
Part number
J221P904
Condition
Malfunctioned
Location
Oil Pressure
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
E

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

What was found

NR 3 ENGINE OIL STATUS MESSAGE ANNUNCIATED AT CRUISE. NR 3 ENGINE OIL QTY IN MAGENTA AT 7 QTS, NR 3 ENG OIL CONTINUED TO DECREASE TO 1 QT AFTER APPROXIMATELY 1.6 HRS OF OPERATION. PRECAUTIONARY SHUTDOWN OF NR 3 ENGINE ACCOMPLISHED1. REPLACED PACKING AT AGB TUBE OIL PRESSURE TRANSMITTER, MM 79-032-01. LEAK CHECK GOOD IAW MM 71-00-00-700 TEST NR 3. C/W ENGINE POST WINDMILLING INSPECTION MM 72-00-00-206.

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