Service difficulty report · Gearbox · Bolkms BK117B2

Difficulty date
October 1, 2007
Submitted
October 5, 2007
Operation
Air carrier
Aircraft
N296GL
Make and model
Bolkms BK117B2
Aircraft serial
7222
Aircraft time
8,030 hours, 34,666 cycles
Engine
Lyc LTS101*
Part
Gearbox
Part number
1171200501
Part serial
KA0254
Condition
Misaligned
Location
Main Rotor
Part time
7,883 hours
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 THE FIRST SPACER TUBE INSPECTION SINCE OVERHAUL ON THE MAIN GEARBOX THE LOWER MOUNT P/N 117-12415-01 S/N KA-0267 WAS REMOVED AND HAD MECHANICAL DAMAGE DUE TO THE ANTI-ROTATION PINS ON THE SPACER ASSY. P/N 117-12418-01 BEING MISALIGNED ON THE MOUNT CAUSING DAMAGE TO THE SPACER ALSO.