SDR 2001FA0000644

Service difficulty report · Pin · Cessna 414A

Difficulty date: November 30, 2001
Submitted: December 11, 2001
Operation: General aviation
Aircraft: N30EE
Make and model: Cessna 414A
Aircraft serial: 414A0443
Engine: Cont TSIO520*
Propeller: Mcauly 3AF32C93
System (JASC): 6120 · Propeller Controlling System
Part: Pin
Condition: Broken
Location: Propeller
Part time: 5,064 hours
Stage of operation: NR
How discovered: O
Nature of condition: W, 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

PILOT NOTICED SEVERE VIBRATION IN LEFT ENGINE, SHUTDOWN AND ATTEMPTED FEATHER, WOULD NOT FEATHER, LANDED. FOUND 1 BLADE IN FEATHER AND FREE TO ROTATE. INSPECTION REVEALED 1 ACTUATING PIN HAD FRACTURED IN THREADS. PIN HOLE IN FERRULE NOT DRILLED AND TAPPED DEEP ENOUGH TO ALLOW PIN TO TIGHTEN ON WASHER. FATIGUE TO THREADS LED TO FAILURE.(K)

More about the Cessna 414A