Service difficulty report · Frame · Bolkms BK117C2

Difficulty date
May 21, 2013
Submitted
May 22, 2013
Operation
Air carrier
Aircraft
N145SU
Make and model
Bolkms BK117C2
Aircraft serial
9102
Aircraft time
3,992 hours, 11,746 cycles
Part
Frame
Part number
105304161
Condition
Cracked
Location
Tailboom
Part time
334 hours
Component
Tailboom
Component part number
B535M2095102
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

FOUND CRACK IN FRAME. CRACK IS RUNS IN A LINEAR DIRECTION. THE CRACK IS NOT PROPAGATING INTO THE LOAD BEARING PART OF THE FRAME. CRACKED TWICE BEFORE.