Service difficulty report · Disk · Bolkms BK117C2

Difficulty date
June 5, 2012
Submitted
June 6, 2012
Operation
Air carrier
Aircraft
N145SJ
Make and model
Bolkms BK117C2
Aircraft serial
9091
Engine
Tmeca ARRIEL1E2
Part
Disk
Part number
0292253250
Condition
Damaged
Location
Module 3
Part time
2,259 hours
Component
Module 3 · Tmeca · 70BM033130
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

WHILE PERFORMING TU360 UPGRADE TO ENGINE SN 18789 FOUND THE SECOND STAGE TURBINE DISK BLADE LOCKS DISPLACED LEADING TO BLADE SHIFT. R & R MODULE 3.