Service difficulty report · Control Unit · Emb EMB120ER

Difficulty date
October 27, 2008
Submitted
October 29, 2008
Operation
Air carrier
Aircraft
N567SW
Make and model
Emb EMB120ER
Aircraft serial
120342
Aircraft time
22,281 hours, 31,376 cycles
Part
Control Unit
Part number
78249046
Part serial
980912
Condition
Overspeed
Location
Propeller
Part time
16,760 hours, 21,793 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

FLT 5549 - RIGHT PROPELLER NP CONTINUALLY SURGED FROM 103 PERCENT TO 95 PERCENT ON CLIMB. REPLACED RIGHT ENGINE PCU, P/N 782490-46, S/N ON, 931245 S/N OFF, 980912.

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