SDR CA140313004

Service difficulty report · Bolt · Cessna 208B

Difficulty date: February 15, 2014
Submitted: March 12, 2015
Operation: General aviation
Make and model: Cessna 208B
Engine: Pwa PT6A114A
Propeller: Hartzl HCB3M
System (JASC): 6110 · Propeller Assembly
Part: Bolt
Condition: Loose
Location: Propeller
Stage of operation: TX
How discovered: O
Nature of condition: E
Precautionary procedure: E, A

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

What was found

DURING TAXI, THE ENGINE SHOWED HIGH VIBRATIONS. PILOT SHUTDOWN THE ENGINE. INSPECTION FOUND ENGINE PROPELLER WITH A LOOSE BOLT, CAUSING THE BLADE ANGLE TO CHANGE, WHICH CREATED IMBALANCE. ENGINEERING RECOMMENDED TO REMOVE POWER SECTION FOR INSPECTION & REPAIR, AS THE ENGINE SUFFERED VIBRATION.

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