Service difficulty report · Valve Spring · Beech C23

Difficulty date
November 16, 2010
Submitted
March 15, 2011
Operation
Air carrier
Make and model
Beech C23
Aircraft time
8,787 hours
Engine
Lyc O360A4K
Part
Valve Spring
Part number
LW11795
Condition
Broken
Location
Intake Valve
Component
Cylinder Assy · Lyc
Component part number
LW12427
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

(CAN) LORS D`UN INSPECTION DE 100 HRS, LE TECHNICIEN D`ENTRETIEN A DECOUVERT DU METAL (BRASSE) DANS LE FILTRE A L`HUILE. APRES INVESTIGATION, UNE "PUSH ROD TUBE" DE LA VALVE D`ADMISSION A ETE TROUVE DEFORME. APRES ANALYSE, LE RESSORT INTERIEUR DE LA VALVE A ETE TROUVE CASSE EN PLUSIEURS MORCEAUX CE QUI A PROVOQUE LE BLOCAGE DE LA SOUPPAPE D`ADMISSION CAUSANT AINSI LA DEFORMATION DE LA "PUSH ROD TUBE". (TC# 20101117001)

More about the Beech C 23