Service difficulty report · Sensor · Boeing 737890

Difficulty date
September 1, 2012
Submitted
September 19, 2012
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
16,351 hours, 5,233 cycles
Engine
Cfmint CFM567B27
Part
Sensor
Part number
H504C
Part serial
L3917
Condition
Failed
Location
Elevator
Part time
16,391 hours, 5,243 cycles
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

DURING ACCOMPLISHING LWMP UPGRADE, FOUND FAULT IN BITE GRP 49.32. ELEV POS FAIL- POS SENS -1 MSG 22-11125. R & R ELEVATOR POSITION SENSOR REF MM 22-11-30-400-801. ELEVATOR POSITION SENSOR ADJUSTMENT AND TEST PASSED REF MM 22-11-30-820-801. OPS NORMAL.