Service difficulty report · Cylinder

Difficulty date
August 1, 2003
Submitted
August 1, 2003
Operation
General aviation
Engine
Cont IO550N
Engine time
25 hours
Part
Cylinder
Part number
6524517
Condition
Out Of Tolerance
Location
Engine
Part time
25 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

DURING ENGINE ASSEMBLY AFTER LIGHTING STRIKE INSPECTION IN ACCORDANCE WITH TCM SB M88-9 FOUND ALL CYLINDERS TO HAVE EXCESSIVE DRY LIFTER CLEARANCE. MANUFACTURERS SPECIFICATION IS .060 TO .200 INCH., ALL CYLINDER ALL VALVES EXCEEDED .200 INCH CLEARANCE.