Service difficulty report · Plate · Snias AS350BA

Difficulty date
July 25, 2001
Submitted
August 7, 2001
Operation
General aviation
Make and model
Snias AS350BA
Aircraft time
11,951 hours
Engine
Tmeca ARRIEL1B
Part
Plate
Part number
350A33212900
Condition
Worn
Location
Tail Rotor
Component
T/R Spider · 350A33200403
Stage of operation
IN
How discovered
V
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) BLACK PAINT INDEX MARKS MISALIGNED AND OUTBAOARD SPACER FREE TO ROTAT. UNIT IS POST MOD 07-6554 PART 2.B.3 AND POST MOD 07-6551. RECEIVED IN SHOP, DOUBLE LOCKING OF NUT VERIFIED ALL VISIBLE ELEMENTS INBOARD OF BEARING FELT TIGHT AND SECURE, NUT UNLOCKED AND TORQUE APPLIED. NUT ROTATED 30 DEGREES PRIOR TO ACHIEVING MINIMUM TORQUE LOAD. UNIT DISASSEMBLED, ALL SPACERS AND BEARING INNER RACE EXHIBITED SIGNS OF ROTATION. BEARING INNER RACE HAS WORN THROUGH THE D148 VARISH AND INTO PARENT MATERIAL OF ROTATING PLATE (350A33-2129-00).