Service difficulty report · Switch · Dhav DHC8311

Difficulty date
October 18, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Dhav DHC8311
Aircraft time
53,392 hours
Engine
Pwa PW123
Propeller
Hamstd 14SF*
Part
Switch
Part number
954215B653323
Condition
Failed
Location
Autofeather
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

(CAN) REJECTED TAKEOFF AT 60 KNTS DUE TO AUTOFEATHER NOT ARMING. (PROPELLER AUTOFEATHER SYSTEM) DURING TROUBLESHOOTING IT WAS NOTED THAT THE AUTOFEATHER SELECT SWITCH FAILED TO PROVIDE A SOLID GROUND FOR THE ARMING CIRCUIT, AUTOFEATHER SELECT SWITCH P/N 95-42-15B6-53323 REPLACED. ENGINE RUN COMPLETED AS PER AMM 61-26-00 AUTOFEATHER ARMS NORMALLY. (TC# 20141021015)