Service difficulty report · Cylinder · Cessna 207A

Difficulty date
March 14, 2015
Submitted
March 14, 2015
Operation
Air carrier
Aircraft
N6470H
Make and model
Cessna 207A
Aircraft serial
20700534
Aircraft time
33,327 hours
Engine
Cont IO520F
Engine time
6,735 hours
Propeller
Hartzl PHCC3YF1
Part
Cylinder
Part number
SA52006A1
Part serial
PMA526E1311994
Condition
Cracked
Location
Nr 2
Part time
1,269 hours
Component
Engine · Cont · IO520F
Component part number
IO520F
Stage of operation
IN
How discovered
B
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING 100 HR INSPECTION BORESCOPING ENG, FOUND NR 2 CYLINDER CRACKED FROM LOWER SPARK PLUG BOSS APPROX 1/2 INCH TOWARDS EXHAUST VLV SEAT.

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