Service difficulty report · Guide

Difficulty date
October 25, 2013
Submitted
February 28, 2014
Operation
General aviation
Engine
Cont IO240B
Part
Guide
Part number
655523
Condition
Out Of Tolerance
Location
Nr 1 Cylinder
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

WHILE INSPECTING A SET OF 4 NEW INTAKE VALVE GUIDES, AND 4 NEW EXHAUST VALVE GUIDES PRIOR TO INSTALLATION, THE MECHANIC FOUND THAT THE GUIDES DID NOT MEET SPECIFICATIONS TOLERANCES. ALL PARTS RETURNED TO THE MFG.