Service difficulty report · Pressure Switch · Dhav DHC6300

Difficulty date
November 24, 2006
Submitted
January 19, 2007
Operation
General aviation
Make and model
Dhav DHC6300
Engine
Pwa PT6A27
Propeller
Hartzl HCB3TN3
Part
Pressure Switch
Part number
8190026
Condition
Failed
Location
Autofeather
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

(CAN) ON INVESTIGATION OF THE REPORTED AUTOFEATHER DEFECT, THE LT ENGINE PRESSURE SWITCH, PN 8190026, WAS FOUND TO BE DEFECTIVE. REPLACEMENT OF THE COMPONENT CURED THE PROBLEM WHICH IS CONSIDERED TO BE AN ISOLATED RANDOM FAILURE. (TC NR 20061218020)