Service difficulty report · Sensor · Boeing 737890

Difficulty date
June 6, 2014
Submitted
June 9, 2014
Operation
Air carrier
Aircraft
N536AS
Make and model
Boeing 737890
Aircraft serial
35203
Aircraft time
9,511 hours, 2,721 cycles
Part
Sensor
Part number
3218KGB01
Part serial
EM174524
Condition
Failed
Location
N2 Speed
Part time
9,503 hours, 2,717 cycles
Stage of operation
NR
How discovered
9
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

NR 2 ENGINE ACMS DATA SHOWS INTERMITTENT N2 VALUES FROM OIP REPORT 07 DURING TAKEOFF/CRUISE. ACMS REPORTS SHOW NORMAL PARAMETERS. ACFT GROUNDED. REPLACED N2 SPEED SENSOR REF MM 77-11-02. BITE & LEAK CK OK.