Service difficulty report · Mount · Piper PA31T

Difficulty date
November 12, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Piper PA31T
Engine
Pwa PT6A135
Propeller
Hartzl HCB3TN3
Part
Mount
Part number
C30032
Condition
Worn
Location
Spinner
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) THE SPINNER MOUNTING PLATE BOLTS WERE ALL LOOSE, FINGER TIGHT AND SHOULD HAVE BEEN TORQUED. THIS CAUSED MOVEMENT IN THE BULKHEAD WHICH ELONGATED THE HOLES IN THE SPINNER MOUNTING PLATES. THERE IS A SB CONCERNING THE DRILLING OF CLAMP COUNTERWEIGHT DOWELS. ON THIS PROPELLER, 1 COUNTERWEIGHT DOWEL WAS DRILLED PROPERLY, 2 OTHERS WERE UNTOUCHED.

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