SDR ASAA2018022323681

Service difficulty report · Motor · Boeing 737990ER

Difficulty date: February 23, 2018
Submitted: February 26, 2018
Operation: Air carrier
Aircraft: N435AS
Make and model: Boeing 737990ER
Aircraft serial: 43292
Aircraft time: 17,341 hours, 5,719 cycles
System (JASC): 2740 · Stabilizer Control System
Part: Motor
Part number: 6355C000101
Part serial: 2693
Condition: Failed
Location: Stab Trim
Part time: 43,749 hours, 13,470 cycles
Stage of operation: CL
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 CLIMB OUT WITH AUTOPILOT ENGAGED, STAB OUT OF TRIM ILLUMINATED. RAN QRH, DISCONNECTED AUTOPILOT, ELECTRIC TRIM WORKS NORMALLY, LEFT & RIGHT. ACFT GROUNDED. REMOVED THE STAB TRIM MOTOR IAW AMM 27-41-71-000-801. INSTALLED STAB TRIM MOTOR IAW AMM 27-41-71-400-801. ACCOMPLISHED OPS CHECKS IAW AMM 27-41-71-700-801, & 22-11-81-710-801.