Squawk Box

March 2005 Issue

Squawk Box: 03/05

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts.


Beech B200
Flap Extension Failure

While in flight the aircraft flaps failed to extend to the selected position. The pilot had to cycle the flap select switch several times before effecting flap extension. Maintenance was able to duplicate the problem on the ground. When the flaps were selected to the approach position, they moved approximately five degrees, then stopped. A finger tap on the flap motor relay returned the flaps to normal response operation. Installation of a replacement relay solved the problem. The failed relay (p/n SM50D) had 69.0 ho...

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