Service difficulty report · Switch · Pilats PC1245

Difficulty date
June 4, 2004
Submitted
December 3, 2004
Operation
General aviation
Make and model
Pilats PC1245
Aircraft time
9,837 hours
Engine
Pwa PT6A67B
Propeller
Hartzl HCE4A3D
Part
Switch
Part number
9733031215
Condition
Sticking
Location
Te Flaps
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

FLAP UP SWITCH STICKING IN ALL ENVIRONMENTAL CONDITIONS CAUSING FLAP FAILURES IN FLIGHT AND ON GROUND. FLIGHT CREWS SHOULD BE AWARE THAT IF FAILURE OCCURS AND FLAPS ARE SET AT 15, 30 OR 40. THE ONBOARD COMPUTER WILL NOT GIVE THE AIRSPEED WARNING AT 165 KTS. BETTER SEALS OR DUST CAPS MAY SOLVE THE PROBLEM.