Service difficulty report · Trunnion · Piper PA31350

Difficulty date
July 2, 2000
Submitted
July 24, 2000
Operation
General aviation
Make and model
Piper PA31350
Engine
Lyc T5313B
Propeller
Hartzl HCE3YR2
Part
Trunnion
Part number
40327000
Condition
Cracked
Location
Forging Seamline
Component
Mlg Trunnion
Stage of operation
IN
How discovered
X
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) DURING OVERHAUL AND LPI NDT, NOTED CRACK ON FORGING SEAM LINE. ATTEMPTS TO DRESS OUT SEAM LINE AND CRACK WERE UNSUCCESSFUL AS CRACK WAS TOO DEEP. THIS PROBLEM WAS NOT VISIBLE TO THE NAKED EYE.

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