SDR 97ZZZX170

Service difficulty report · Piston Pin · Piper PA60600A

Difficulty date
December 18, 1996
Submitted
March 26, 2000
Operation
General aviation
Make and model
Piper PA60600A
Engine
Lyc IO540K1J5
Part
Piston Pin
Part number
SL134441
Condition
Failed
Location
Cyl Nr 1
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

INVEST OF TOO MUCH PISTON TO PIN CLEARANCE REVEALED A PISTON PIN BROKEN IN TWO IN THE MIDDLE. IT WAS THE NR SL13444-1 PIN MFG BY CARL BRUCHNER IN GERMANY, IDENTIFIED BY 'CB-3' ON ONE END. INSTALLED IN CYL NR 1. IT HAD DAMAGED THE CONNECTING ROD AND PISTON. THE PINS (P/N SL13444-1) WERE REPLACED AT AT OVERHAUL 2 YEARS AND 200 HOURS PREVIOUSLY AS NEW PARTS IN ALL 6 CYLS. SUPERIOR AIR PARTS, INC., HAS BEEN NOTIFIED OF THIS CONDITION. IT SHOULD BE NOTED THAT PINS SPECIFICALLY SUPERIOR NR SA629690, MFG BY THE SAME COMPANY (CARL BRUCHNER), WERE THE SUBJECT OF A RECALL, REF: SUPERIOR MANDATORY SB NR 96-001, 8-5-96.