SDR CA050324006

Service difficulty report · Counterweight · Cessna TU206G

Difficulty date: March 15, 2005
Submitted: April 1, 2005
Operation: General aviation
Make and model: Cessna TU206G
Aircraft time: 1,896 hours
Engine: Cont TSIO520M
Propeller: Mcauly D3A34C402
System (JASC): 8520 · Reciprocating Engine Power Section
Part: Counterweight
Part number: 639196
Condition: Failed
Location: Crankshaft
Component: Crankshaft · Cont
Component part number: 649134
Stage of operation: CR
How discovered: O
Nature of condition: E, J
Precautionary procedure: A

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

What was found

(CAN) ROLLER RETAINER AND SNAP RING CAME OUT OF CLUT, RELEASING ROLLER IN 5TH ORDER CWT. (NO DAMAGE TO PARTS, POSSIBILITY WAS NOT INSTALLED CORRECTLY.) ROLLER MIGRATED TO REAR OF ENGINE AND JAMMED BETWEEN 6TH ORDER CWT AND ENGINE CASE STOPPING ENGINE. CRANKSHAFT NRPLE AT NR2 ,AOM KPIRMA, FRP, SUDDEN STOPPAGE.

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