Service difficulty report · Structure · Bolkms BK117A4

Difficulty date
December 3, 2014
Submitted
December 5, 2014
Operation
Air carrier
Aircraft
N163BK
Make and model
Bolkms BK117A4
Aircraft serial
7063
Aircraft time
11,725 hours, 51,907 cycles
Engine
Lyc LTS101*
Engine time
10,267 hours, 21,895 cycles
Part
Structure
Condition
Cracked
Location
Fuselage
Stage of operation
UK
How discovered
O
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 REPLACEMENT OF MAIN TRANSMISSION STAY ASSEMBLY PN 117-11182-03 FOUND 5 CRACKS EMANATING FROM RIVETS NEAR THE AREA OF THE STAY ASSEMBLY.