Service difficulty report · Turbine Wheel · Snias AS350B2

Difficulty date
May 7, 2018
Submitted
August 18, 2020
Operation
General aviation
Make and model
Snias AS350B2
Aircraft time
11,661 hours
Engine
Tmeca ARRIEL1D1
Propeller
Mcauly 4HFR34C762
Part
Turbine Wheel
Part number
292253240
Condition
Damaged
Location
Engine
Part time
2,569 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) DURING AN INTERVENTION TO REPLACE THE T2 WHEEL AFFECTED BY SB 0849, T1 RUB WAS DETECTED AT THE 5-6 & 9 CLOCK ANGLE OF THE SHROUD. MEASUREMENTS WERE TAKEN OF THE DAMAGE BY THE SAFRAN TECH AND MYSELF AND FOUND BEYOND LIMITS. REPORT OF THE DAMAGE SENT TO SAFRAN ENGINEERING AND DEEMED U/S. MO3 SENT FOR REPAIR. (TC# 20180510006)