Service difficulty report · Sensor · Boeing 737890

Difficulty date
December 23, 2011
Submitted
December 27, 2011
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
17,946 hours, 5,477 cycles
Part
Sensor
Part number
38762983
Part serial
030147000138
Condition
Defective
Location
Apu
Part time
4,093 hours, 5,743 cycles
Stage of operation
IN
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

APU OIL QTY READ AT CDU READS LOW APU OIL QTY AT TANK IS FULL. REPLACED APU OIL LEVEL SENSOR REF 49 94 11, GROUND OPS CK VERIFICATION GOOD.