Service difficulty report · Limit Switch · Boeing 1072

Difficulty date
August 26, 2009
Submitted
October 23, 2009
Operation
General aviation
Make and model
Boeing 1072
Aircraft time
35,766 hours
Engine
Ge CT581402
Part
Limit Switch
Condition
Failed
Location
Speed Trim Act
Component
Actuator · Honeywell
Component part number
54116811
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

(CAN) DURING THE DAILY FUNCTIONAL TEST OF THE SPEED TRIM LIMIT SWITCHES THE RETRACT LIMIT SWITCH FAILED TO STOP THE MOTOR. THIS SPEED TRIM ACTUATOR WAS IN SERVICE FOR 30 HOURS AFTER REPAIR FOR THE SAME FAILURE. (TC# 20090911001)