Service difficulty report · Metering Tube · Dhav DHC6300

Difficulty date
June 5, 2006
Submitted
June 22, 2006
Operation
General aviation
Make and model
Dhav DHC6300
Aircraft time
10,508 hours
Engine
Pwa PT6A34
Propeller
Hartzl HCB3TN3
Part
Metering Tube
Part number
13A04270006
Condition
Failed
Location
Strut
Part time
753 hours
Stage of operation
LD
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) FRACTURED AT LOWER THREAD WHERE THE TUBE SCREWS INTO THE PISTON. THIS ALLOWED THE UPPER AND LOWER SECTIONS OF THE SHOCK STRUT TO DISENGAGE CAUSING GEAR COLLAPSE. THE FAILED TUBE IS MADE OF ALUMINUM ALLOY. PART AND PICTURES AVAILABLE UPON REQUEST (TC NR 20060607002)