Service difficulty report · Cylinder · Cessna 414A

Difficulty date
June 24, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Cessna 414A
Aircraft time
3,860 hours
Engine
Cont TSIO520NB
Propeller
Hartzl PHCC3YF2
Part
Cylinder
Part number
AEC63L397
Condition
Cracked
Location
Engine
Part time
700 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

(CAN) OWNER REQUESTED TO HAVE LT AND RT ENGINE INTAKE PIPE GASKETS REPLACED. DURING GASKET REPLACEMENT THE CYLINDERS WERE INSPECTED INSIDE THE INTAKE PORTS RESULTING IN FINDING NR 1 AND NR 3 CYLINDERS CRACKED INSIDE THE INTAKE PORTS ON THE RT ENGINE AS WELL AS NR 2, 4, 5 AND NR 6 ON RT ENGINE FUEL STAINED IN SAME AREAS AS NR 1 AND NR 3. ON THE LT ENGINE 1, 3, 5 AND NR 6 CYLINDERS FOUND CRACKED AS WELL IN THE SAME AREA. ALL CYLINDERS WERE ECI CYLINDERS PN AEC631397 BOTH ENGINES WERE RAM ENGINES TSIO-520NB WITH APPROXIMATELY 700 HOURS ON ENGINES AND CYLINDERS.

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