SDR 2016FA0000147

Service difficulty report · Rocker · Cessna 180A

Difficulty date: February 26, 2016
Submitted: March 29, 2016
Operation: General aviation
Aircraft: N620MM
Make and model: Cessna 180A
Aircraft serial: 32780
Aircraft time: 10,792 hours
Engine: Cont O470K
Engine time: 148 hours
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Rocker
Part number: 652130
Condition: Broken
Location: Engine
Part time: 10,792 hours
Stage of operation: CR
How discovered: O
Nature of condition: E
Precautionary procedure: B, A

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

What was found

WHILE ON A FLIGHT, ACFT AT CRUISE, 4500 VMC, PILOT FELT A SUDDEN POWER LOSS AND A VIBRATION. PILOT LANDED AND PERFORMED AN INSPECTION WITH A MECHANIC. ONCE IN THE ENGINE, THEY FOUND A BROKEN ROCKER ARM. REPLACED SAME AND RETURNED THE ACFT TO SERVICE.

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