Service difficulty report · Torque Tube · Gulstm GIV

Difficulty date
July 29, 2011
Submitted
September 1, 2011
Operation
Air carrier
Aircraft
N888ZF
Make and model
Gulstm GIV
Aircraft serial
1466
Aircraft time
4,966 hours, 1,948 cycles
Part
Torque Tube
Part number
2A0590174
Condition
Cracked
Location
Copilot Seat
Part time
4,966 hours, 1,948 cycles
Component
Seat
Component part number
3A05800040603
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

COPILOT'S SEAT WAS REMOVED FOR RECOVERING. DURING THE RECOVERING IT WAS NOTICED THAT THE SEAT HEIGHT ADJUSTMENT TORQUE TUBE WAS CRACKED. THE TECHNICIANS WORKING ON THE SEAT ADVISED THAT THIS IS NOT AN UNCOMMON FAILURE.