Service difficulty report · Cylinder · Cessna 414A

Difficulty date
October 17, 2008
Submitted
October 20, 2008
Operation
General aviation
Aircraft
N414AN
Make and model
Cessna 414A
Aircraft serial
414A0819
Aircraft time
6,220 hours
Engine
Cont TSIO520NB
Engine time
2,394 hours
Propeller
Mcauly 3AF32C505
Part
Cylinder
Part number
AEC631397
Part serial
3397730325500
Condition
Cracked
Location
Engine
Part time
654 hours
Stage of operation
IN
How discovered
V
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

UPON INSPECTION FOUND THAT NR 1 AND NR 5 CYLINDERS WERE CRACKED AND LEAKING FUEL ORIGINATING JUST INBOARD OF THE FUEL NOZZLE BETWEEN THE 16TH AND 18TH COOLING FINS. CYLINDERS WERE NEW WHEN INSTALLED AT ENGINE OVERHAUL.

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