SDR 2022F00496

Service difficulty report · Box Beam · Bolkms BK117C2

Difficulty date
October 13, 2022
Submitted
December 7, 2022
Operation
General aviation
Aircraft
N456TK
Make and model
Bolkms BK117C2
Aircraft serial
9139
Aircraft time
8,996 hours, 40,995 cycles
Part
Box Beam
Part number
B533K5140203
Condition
Cracked
Location
Bs 4135
Part time
8,996 hours, 40,995 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 SCHEDULED MAINTENANCE FOUND DAMAGE TO THE FWD RH BOX BEAM STA4135 WEB (P/N: B533K5141-201), STA4135 EXTRUSION CAP (P/N: B533K5140 -203) AND THE INNER SKIN PANEL (P/N: B533K5605-211) IN THE FORM OF CRACKS.