Service difficulty report · Hub · Piper PA46350P

Difficulty date
April 5, 2011
Submitted
September 14, 2015
Operation
General aviation
Make and model
Piper PA46350P
Aircraft time
541 hours
Engine
Lyc TIO540AE2A
Propeller
Mcauly B3D36C432
Part
Hub
Part number
D7643C432
Condition
Cracked
Location
Propeller
Part time
919 hours
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) PROPELLER RECEIVED FOR O/H. DURING LIQUID PENETRANT INSPECTION CRACK INDICATIONS WERE FOUND IN 2 OF THE HUB ARMS. THE HUB WAS SENT OUT FOR EDDY CURRENT INSPECTION WHICH CONFIRMED THE FINDINGS. THE MFG WAS CONSULTED AND IT IS THEIR OPINION THAT THE DEFECTS FOUND ARE FORGING FLAWS WHICH HAVE RENDERED THE HUB AS SCRAP. THE EFFECTED PART IS BEING FORWARDED TO THE MFG FOR FURTHER TESTING AND EVALUATION.

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