Service difficulty report · Bearing · Snias AS350B2

Difficulty date
March 17, 2004
Submitted
October 5, 2004
Operation
General aviation
Make and model
Snias AS350B2
Aircraft time
6,799 hours
Engine
Tmeca ARRIEL1D1
Part
Bearing
Part number
350A3321501
Condition
Worn
Location
Swashplate
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) WHILE PERFORMING A 100 HOUR INSPECTION THE TAIL ROTOR SPIDER WAS DISCONNECTED FROM THE INPUT BELLCRANK TO CHECK THE SPIDER SWASHPLATE BEARING. NOTICED THAT THE BALL END BEARING ON THE SWASHPLATE INPUT WAS WORN OUT. ( IPC 65.20.30 FIG 1A ITEM 95 ) MEASUREMENT WITH A DIAL INDICATOR SHOWED AN AXIAL PLAY OF APPROXIMATELY 1.4MM.