Service difficulty report · Sensor · Boeing 777222

Difficulty date
December 22, 2008
Submitted
December 23, 2008
Operation
Air carrier
Aircraft
N227UA
Make and model
Boeing 777222
Aircraft serial
30555
Aircraft time
27,451 hours, 3,457 cycles
Engine
Pwa PW40903
Part
Sensor
Part number
38762112600U
Condition
Failed
Location
Apu
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
D

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

What was found

APU SHUTDOWN AT GATE FOR LOW OIL QTY MAT FAULTING OIL QUANTITY-SUMP TEMPERATURE SENSOR. REPLACED APU OIL QTY-SUMP SENSOR. OPS CHECK NORMAL. NO MESSAGES.