Service difficulty report · Sensor · Boeing 737890

Difficulty date
May 15, 2018
Submitted
May 16, 2018
Operation
Air carrier
Aircraft
N532AS
Make and model
Boeing 737890
Aircraft serial
36346
Aircraft time
30,868 hours, 9,204 cycles
Part
Sensor
Part number
H504C
Condition
Out Of Adjust
Location
Horizontal Stab
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CRUISE AT FL 320, -A- AUTOPILOT DISCONNECTED TWICE. -B- AUTOPILOT WORKED PERFECTLY. ACFT GROUNDED. PERFORMED A STAB POSITION SENSOR ADJUSTMENT & TEST IAW AMM 22-11-31-820-801. FOUND STAB -A- AND -B- SENSORS ON OPPOSITE ENDS ON THE LIMITS.6 ADJUSTED THE STAB -A- POSITION SENSOR IAW AMM 22-11-31-820-801. CHECKED GOOD. ADJUSTED THE STAB -B- POSITION SENSOR IAW AMM 22-11-31-820-801. CHECKED GOOD. ACCOMPLISHED ADDITIONAL LLM TESTING IAW STEP I. CHECKED GOOD.