Service difficulty report · Bellcrank · Aerosp AS355F1

Difficulty date
March 7, 2004
Submitted
July 22, 2004
Operation
General aviation
Make and model
Aerosp AS355F1
Aircraft time
4,833 hours
Engine
Allsn 250C20F
Part
Bellcrank
Part number
350A33020004
Condition
Damaged
Location
Tail Rotor
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) TAIL ROTOR BELLCRANK FOUND WITH WEAR DAMAGE ON INSIDE YOKE AREA AT THE ATTACHMENT BOLT WITH THE TAIL ROTOR PITCH CHANGE SPIDER. THE WEAR CORRESPONDS TO THE BEARING SURFACE OF BALL END P/N 350A33-2150-01. IT IS SUSPECTED THAT THE ATTACHMENT BOLT WAS NOT TORQUED TO SPECIFICATIONS AND CAUSED MOVEMENT AND WEAR.

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