Service difficulty report · Control Unit · Emb EMB120RT

Difficulty date
February 7, 2003
Submitted
February 13, 2003
Operation
Air carrier
Aircraft
N593SW
Make and model
Emb EMB120RT
Aircraft serial
120191
Aircraft time
30,211 hours, 33,223 cycles
Part
Control Unit
Part number
3075001017
Part serial
0162
Condition
Malfunctioned
Location
Te Flaps
Part time
4,846 hours, 6,629 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

ON TAKEOFF THE ANALOG FLAP INDICATOR BOUNCED BACK AND FORTH BETWEEN 0-15 DEGREES, SETTING OFF THE TAKEOFF AURAL WARNING SYSTEM. ALSO, EACH TIME IT WENT TO 0 DEGREES, RECEIVED FLAP AND ADVANCED SWS WARNINGS ON THE MAP. OPERATED FLAPS SEVERAL TIMES, COULD NOT DUPLICATE. REMOVED AND REPLACED FLAP CONTROL UNIT IAW EMB120 MM 25-50-06 FOR TROUBLESHOOTING. OPS CHECK GOOD.

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