Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
December 5, 2022
Submitted
December 9, 2022
Operation
Air carrier
Aircraft
N464AS
Make and model
Boeing 737990ER
Aircraft serial
40714
Aircraft time
32,502 hours, 10,088 cycles
Engine
Cfmint CFM567B27E
Part
Sensor
Part number
APTE8A20007BARD
Condition
Out Of Limits
Location
Nr 2 Oil Pressur
Stage of operation
IN
How discovered
9
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

ENGINE #2 FAULT CODE 79-21092 THE ENGINE OIL PRESSURE SIGNAL IN OUT OF RANGE SHORT TERM. GROUNDED - YES. REMOVED AND REPLACED OIL PRESSURE SENSOR REF B737-900 AMM 79-32-01. OPS CHECK AND LEAK CHECK GOOD REF AMM 71-00-00-700-801-F00 TEST 3A & 7.