Service difficulty report · Nut · Piper PA23250

Difficulty date
September 7, 2007
Submitted
October 10, 2007
Operation
Air carrier
Aircraft
N62BA
Make and model
Piper PA23250
Aircraft serial
274859
Engine
Lyc IO540C4B5
Engine time
4,914 hours, 1,100 cycles
Part
Nut
Part number
71133
Condition
Failed
Location
Nr 3 Cylinder
Stage of operation
NR
How discovered
O
Nature of condition
D
Precautionary procedure
O

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

What was found

NR 3 CYLINDER DEPARTED THE ENGINE AFTER FAILURE OF THE CYLINDER HOLD DOWN NUTS TO MAINTAIN PROPER TORQUE. (3) ADDITIONAL CYLINDERS FROM THE SAME ENGINE WERE INSPECTED REVEALING (5) MORE UNDER TORQUED CYLINDER HOLD DOWN NUTS.

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