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SDR CA030317005

Open the Markdown

Service difficulty report · Bearing · Snias AS350BA

FAA SDR system

Difficulty date
January 8, 2002
Submitted
April 14, 2003
Operation
Air carrier
Make and model
Snias AS350BA
Aircraft time
10,666 hours
Engine
Tmeca ARRIEL1B
System (JASC)
6420 · Tail Rotor Head
Part
Bearing
Condition
Unserviceable
Location
Tail Rotor
Stage of operation
NR
How discovered
O
Nature of condition
E
Precautionary procedure
O

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

What was found

(CAN) NOTED TAIL ROTOR VIBRATION AND COULD NOT STROBE IT OUT. (1.2 IPS) CHECKED THE HALF SHELL BEARINGS AND NOTICED THAT 2 BEARINGS WERE TORN AND THE OTHER 2 WERE WORN. TAIL ROTOR ASSY REMOVED AND ALL FOUR BEARINGS CHANGED OUT, NEW BEARINGS INSTALLED P/N 355A09-1036-01. ALSO CHANGED OUT THE TEETERING BEARINGS P/N 350A33-2153-00. TAILROTOR SPAR INSPECTION CARRIED OUT AND NO DEFECTS FOUND. UNIT REINSTALLED AND BALANCED TO BELOW .1 IPS.