SDR FK8R201112110006

Service difficulty report · Cylinder · Cessna 172P

Difficulty date: December 11, 2011
Submitted: December 20, 2011
Operation: General aviation
Aircraft: N53571
Make and model: Cessna 172P
Aircraft serial: 17274781
Engine: Lyc O320D2J
Engine time: 6,840 hours
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Cylinder
Part number: AEL65102
Condition: Inflt Separation
Location: Engine
Stage of operation: CL
How discovered: O
Nature of condition: E, R
Precautionary procedure: B, A

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

What was found

PARTIAL POWER LOSS AND VIOLENT VIBRATION REPORTED BY PILOT DURING CLIMB, EMERGENCY LANDING WAS PERFORMED. COMPLETED VISUAL INSP OF ENGINE, FOUND NR 3 CYLINDER HEAD SEPARATED FROM CYLINDER BARREL. CYLINDER WAS O/H 87.4 HOURS BEFORE THE SEPARATION. THIS IS THE CYLINDER ASSY PN AEL65102.

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