SDR 6NAR2015FA0000566

Service difficulty report · Gasket · Cessna 182R

Difficulty date: October 12, 2015
Submitted: November 12, 2015
Operation: General aviation
Aircraft: N101SP
Make and model: Cessna 182R
Aircraft serial: 18268562
Engine: Cont O470U
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Gasket
Part number: SA534857
Condition: Leaking
Location: Valve Cover
Part time: 85 hours
Stage of operation: IN
How discovered: 9
Nature of condition: K
Precautionary procedure: K

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

What was found

ALL VALVE COVERS FOUND LEAKING. REMOVED ALL VALVE COVERS AND FOUND THE UPPER SECTION OF THE VALVE COVER GASKET NEAR THE EXHAUST VALVE HAD SHRUNK, PULLING IN TOWARD EXHAUST VALVE SPRING. WE HAVE FOUND THIS ISSUE ON NUMEROUS ENGINES WITH THE SUPERIOR VALVE COVER GASKETS MENTIONED, PN SA534857.

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