Service difficulty report · Spar · Bolkms BK117B1

Difficulty date
March 8, 2011
Submitted
June 27, 2011
Operation
General aviation
Aircraft
N150K
Make and model
Bolkms BK117B1
Aircraft serial
7142
Aircraft time
11,861 hours, 49,048 cycles
Part
Spar
Part number
105304061
Condition
Cracked
Location
Tail Boom
Part time
11,861 hours, 49,048 cycles
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

DURING MAJOR INSPECTIONS A CRACK WAS DISCOVERED ON THE TAILBOOM AT THE 10L FRAME ON THE SUPPORT ANGLE (PN 105-30251.44) SPLICE DOUBLER. THERE IS ALSO A CRACK IN THE VERTICAL FIN SPAR AT THE CAM LOC FASTENER. A TRAY IN THE VERTICAL FIN IS ALSO CRACKED AT THE FASTENER HOLE.