Service difficulty report · G Switch · Dhav DHC3

Difficulty date
May 4, 2015
Submitted
August 5, 2015
Operation
General aviation
Make and model
Dhav DHC3
Aircraft time
36,990 hours
Engine
Pwa PT6A34
Propeller
Hartzl HCB3TN3
Part
G Switch
Part number
4526506
Condition
Failed
Location
Elt
Component
Elt · Artex
Component part number
4535012
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

(CAN) DURING THE G406-4, ELT`S ANNUAL RECERTIFICATION, IT WAS FOUND THAT THE G-SWITCH INTERMITTENTLY FAILED. THIS WAS THE OPERATOR`S 4TH ELT G-SWITCH THAT FAILED BENCH TESTING AND REQUIRED REPLACEMENT IN THE LAST 4 MONTHS.