Service difficulty report · Exhaust Valve · Cessna 172L

Difficulty date
December 2, 2003
Submitted
March 1, 2004
Operation
General aviation
Make and model
Cessna 172L
Aircraft time
5,634 hours
Engine
Lyc O320E2D
Propeller
Mcauly 1C160DTM
Part
Exhaust Valve
Condition
Failed
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

(CAN) NR 3 CYLINDER EXHAUST VALVE WAS INGESTED BY ENGINE AND EXPELLED OUT THE EXHAUST, CAUSING EXTENSIVE DAMAGE TO ENGINE AND METAL CONTAMINATION. ENGINE REMOVED FOR OVERHAUL.

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