Service difficulty report · Trim Motor · Boeing 737890

Difficulty date
July 26, 2018
Submitted
July 31, 2018
Operation
Air carrier
Aircraft
N532AS
Make and model
Boeing 737890
Aircraft serial
36346
Aircraft time
31,709 hours, 9,445 cycles
Part
Trim Motor
Part number
6355C000101
Part serial
3992
Condition
Failed
Location
Stabilizer
Part time
31,709 hours, 9,445 cycles
Stage of operation
DE
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

AT 9,000FT ON DESCENT NOTICED "STAB OUT OF" LIGHT ILLUMINATED CONTINUOUSLY. PER ABNORMAL CHECKLIST, DISCONNECTED AUTOPILOT. PILOT CONTROLLED ELECTRIC TRIM INOP AS WELL. CONTINUED TO NORMAL LANDING USING MANUAL TRIM. GROUNDED - YES. VERIFIED GOOD VOLTAGE AT PINS 1, 2 AND 3 ON CONNECTOR D700 REF FIM 27-41 TASK 804. REMOVED AND REPLACED STAB TRIM MOTOR REF AMM 27-41-71.