Service difficulty report · Cylinder Head

Difficulty date
September 22, 2009
Submitted
November 20, 2009
Operation
General aviation
Engine
Cont TSIO520R
Part
Cylinder Head
Part number
ACE631397
Part serial
1812526
Condition
Cracked
Location
Engine
Part time
378 hours
Stage of operation
IN
How discovered
9
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

CYLINDER HEAD CRACKED AT THE EXHAUST PORT. THE CRACK EXTENDS FROM THE INSIDE ABOVE THE VALVE SEAT THROUGH THE CYLINDER HEAD APPROX 1.7" LONG. (K)