Service difficulty report · Bearing · Piper PA46350P

Difficulty date
June 27, 2000
Submitted
August 30, 2000
Operation
General aviation
Aircraft
N92939
Make and model
Piper PA46350P
Aircraft serial
4636119
Aircraft time
594 hours
Engine
Lyc TIO540AE2A
Engine time
106 hours
Part
Bearing
Part number
LW13212
Condition
Failed
Location
Nr 6
Part time
106 hours
Component
Connecting Rod · Lyc
Component part number
LW13422
Stage of operation
CR
How discovered
V
Nature of condition
Y
Precautionary procedure
B

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

What was found

ENGINE (106.6 HOURS SINCE NEW) FAILED WHILE AT CRUISE RESULTING IN AN EMERGENCY DESCENT AND LANDING AT ALB. RESULTS OF ENGINE SERVICE TEARDOWN INSPECTION AND TECHNICAL REPORTS DATED 7/5/2000 AND 7/27/2000 FROM TEXTRON LYCOMING FOUND THE CRANKSHAFT ROD JOURNAL AND CONNECTING ROD BROKEN AT NR 6 CRANKPIN WITH NR 6 ROD BEARING EXTRUDED. FACTORY TECHNICAL REPORT CONCLUDED THAT PRIMARY FAILURE WAS MOST LIKELY DUE TO NR 6 CONNECTING ROD BEARING FAILURE. (THIS WAS THE 3RD FACTORY NEW ENGINE INSTALLED ON THIS AIRFRAME).

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