Service difficulty report · Sensor · Boeing 737890

Difficulty date
March 1, 2010
Submitted
March 3, 2010
Operation
Air carrier
Aircraft
N560AS
Make and model
Boeing 737890
Aircraft serial
35179
Aircraft time
13,559 hours, 4,270 cycles
Part
Sensor
Part number
ZR3A
Condition
Faulty
Location
Elevator
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

AUTOPILOT ELEVATOR POSITION SENSOR AND NEUTRAL SHIFT SENSORS REQUIRE ADJUSTMENT. ADJUSTED ELEVATOR POSITION SENSOR REF MM 22 11 30 AND NSS REF MM 22 11 14. GROUND FUNCTIONAL TEST GOOD REF MM 22 11 00. BITE TEST GROUP 47 GOOD. PITCH SENS LRU REPLACEMENT TEST GOOD. SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.