Service difficulty report · Switch · Boeing 737890

Difficulty date
April 21, 2012
Submitted
April 23, 2012
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
7,980 hours, 2,501 cycles
Engine
Cfmint CFM567B27
Part
Switch
Condition
Malfunctioned
Location
Control Column
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

ON CLIMBOUT, STAB TRIM BECAME INOPERATIVE ON RUNNING QRH PROCEDURE FOUND STAB TRIM CONTROL CIRCUIT BREAKER POPPED. DIVERSION TIME: 28 MINUTES. DISCONNECTED ELECTRONIC CONNECTOR CAPT CONTROL CUTOUT SWITCH. CIRCUIT BREAKER REMAINS CLOSED WITH ELECTRONIC STAB MOVEMENT. R & R CAPTAIN`S CONTROL COLLUMN SWITCH IAW 27-41-51-400-801. OPS CHECK OF CAPTS COLUMN CUTOUT SWITCH IAW 27-41-710-801. SATISFACTORY STAB TRIM MOTOR TEST IAW AMM 27-41-71-700-801. STAB TRIM MOTOR TEST 22-11-601-701-801, PERFOMED SATISFACTORY. STAB TRIM CONTROL CIRCUIT BREAKER REMAINS CLOSED THROUGHOUT TEST.