Service difficulty report · Signal Cond Unit · Emb EMB120ER

Difficulty date
February 3, 2004
Submitted
February 9, 2004
Operation
Air carrier
Aircraft
N221SW
Make and model
Emb EMB120ER
Aircraft serial
120290
Aircraft time
22,864 hours, 32,479 cycles
Part
Signal Cond Unit
Part number
30005000053
Part serial
923
Condition
Malfunctioned
Location
Eng Torque
Part time
7,010 hours, 10,448 cycles
Stage of operation
AP
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

ON APPROACH, LEFT ENGINE HAD UNCOMMANDED AUTOFEATHER. TORQUE REACHED 115 PERCENT. REPLACED TORQUE SENSOR, SIGNAL CONDITIONER AND EEC HARNESS WITH SERVICEABLE UNIT IAW EMB-120 MM 73-22-00. OPS CHECKS GOOD. TORQUE SENSOR P/N OFF: 3105076-01.

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