Service difficulty report · Flange · Piper PA31350

Difficulty date
February 24, 1996
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Piper PA31350
Propeller
Hartzl HCE3YR2
Part
Flange
Part number
757583
Condition
Overtorqued
Location
Prop Base
Part time
1,223 hours
Stage of operation
IN
Nature of condition
O, W
Precautionary procedure
K

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

What was found

(CAN) WHILE AME WAS PERFORMING DESLUDGING OF PROPELLER AND ENGINE SHAFT, THREE SEPARATE LARGE TOOLS WERE BROKEN BY THE FORCE REQUIRED TO REMOVE THE PROPELLER BASE RETAINING NUTS. THE NUTS WERE OVERTORQUED AND THE LOCKWIRE JOB WAS POOR. ALL PARTS INSPECTED FOR CONDITION AND PROPS RE-INSTALLED. NUTS TORQUED TO 60 FT LBS AS PER ASM.

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