SDR 96ZZZX6098

Service difficulty report · Rod Bolt · Piper PA25235

Difficulty date
October 24, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N7545Z
Make and model
Piper PA25235
Aircraft serial
253591
Engine
Lyc O540B2B5
Part
Rod Bolt
Part number
74644
Condition
Stripped
Location
Nr 4 Cyl
Stage of operation
IN
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

ROD BOLT APPEARS TO BE TOO SOFT. THREADS STRIPPED CAUSING NR 4 CONNECTING ROD CAP TO COME LOOSE MAKING CONTACT WITH CASE AND NR 3 PISTON. THIS CAUSED MAJOR DAMAGE TO ENGINE.

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