Service difficulty report · Switch · Beech 400A

Difficulty date
September 14, 2023
Submitted
September 18, 2023
Operation
Air carrier
Aircraft
N489TM
Make and model
Beech 400A
Aircraft serial
RK559
Aircraft time
7,660 hours, 6,166 cycles
Part
Switch
Part number
22500231
Condition
Failed
Location
Left Engine
Part time
6,108 hours, 4,747 cycles
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

SUDDEN LEFT YAW AND LEFT THROTTLE UN-COMMAND REDUCED TO IDLE. THE LEFT THRUST REVERSER HAD BEEN PREVIOUSLY PLACED ON MEL. CLEARED THE MEL ITEM BY REPLACING THE LH T/R STOW SWITCHES. CYCLED T/R SEVERAL TIMES. T/R OPERATION WAS SMOOTH AND CONSISTENT. ENSURED T/R BUCKETS WERE LOCKED TIGHTLY AND FLUSH WITH COWLING. INSPECTED T/R FEEDBACK CABLE FOR PROPER OPERATION AND ROUTING. NO DEFECTS NOTED.

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