Service difficulty report · Switch · Emb EMB120ER

Difficulty date
March 17, 2010
Submitted
March 25, 2010
Operation
Air carrier
Aircraft
N301YV
Make and model
Emb EMB120ER
Aircraft serial
120301
Aircraft time
30,732 hours, 42,999 cycles
Propeller
Hamstd 14RF9
Part
Switch
Condition
Malfunctioned
Location
Autofeather Sys
Stage of operation
TO
How discovered
O
Nature of condition
O
Precautionary procedure
C

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

What was found

THE LEFT AUTO FEATHER TEST SWITCH STUCK IN THE TEST POSITION ON TAKEOFF RESULTING IN OVER TORQUE. (FLT 7759) REPLACED SWITCH, RIGHT PROP HUB AND BLADES.

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