Service difficulty report · Spring · Cvac 340CVAC

Difficulty date
August 5, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Cvac 340CVAC
Aircraft time
74,421 hours
Engine
Allsn 501D13D
Part
Spring
Condition
Broken
Location
Flap Selector
Stage of operation
LD
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

(CAN) FLAP WOULD DO AN UN-COMMANDED TO THE UP POSITION WITH THE FLAP SWITCH IN NEUTRAL POSITION WHEN SELECTED DOWN FLAP WOULD MOVE DOWN. THE FLAP SELECTOR WOULD NOT RETURN TO NEUTRAL POSITION & OVER SHOOT TO THE UP SELECTED POSITION DUE TO A BROKEN SPRING INSIDE THE SELECTION SOLENOID VALVE. REPLACED FLAP SELECTOR CHECKED SERVICEABLE.