Service difficulty report · Signal Cond Unit · Emb EMB120ER

Difficulty date
August 17, 2001
Submitted
August 22, 2001
Operation
Air carrier
Aircraft
N227SW
Make and model
Emb EMB120ER
Aircraft serial
120305
Aircraft time
14,877 hours, 20,825 cycles
Propeller
Hamstd 14RF19
Part
Signal Cond Unit
Part number
30005000053
Part serial
2259
Condition
Malfunctioned
Location
Left Engine
Part time
390 hours, 512 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

DURING AUTOFEATHER SYSTEM TEST, NO GREEN ''ARMED'' LIGHT ALTHOUGH THE TORQUE DOES RISE 75 PERCENT AND THE PROPS WILL FEATHER.REPLACED LEFT SCU. REPLACED XK0161 AND K0161. REPLACED SOCKET FOR RELAY K0161. OPS CHECKED AUTOFEATHER ARM LIGHT. ALL CHECKS GOOD PER MM 61-23-00.

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