Service difficulty report · Proximity Switch · Pilats PC1245

Difficulty date
September 24, 2003
Submitted
October 15, 2003
Operation
General aviation
Make and model
Pilats PC1245
Aircraft time
2,131 hours
Engine
Pwa PT6A67B
Propeller
Hartzl HCE4A3D
Part
Proximity Switch
Part number
9733033111
Condition
Failed
Location
Mlg
Stage of operation
CR
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

(CAN) AFTER TAKE OFF THE SYSTEMS RELATED TO THE RT PROXIMITY SWITCH STARTED TO FLASH. THE AIRCRAFT RETURNED TO BASE. THE AIRCRAFT WAS PUT ON JACKS AND THE WIRING WAS INSPECTED. THERE WERE NO DEFECTS FOUND AND THE SNAG COULD NOT BE DUPLICATED. AS THE AIRCRAFT HAD FLOWN THROUGH HEAVY RAIN THE DAY BEFORE ALL THE CONNECTORS WERE CLEANED AND RESEALED. THE PROXIMITY SWITCHES WERE SWAPPED FROM LT TO RT TO SEE IF THE SNAG WOULD FOLLOW. THE AIRCRAFT WAS TEST FLOWN AND THE SNAG DID NOT RETURN. THE AIRCRAFT WAS RETURNED TO SERVICE. SDR TO BE CLOSED IN 1 WEEKIF THE ARE NO MOVE OCCURANCES.