Service difficulty report · Torque Tube · Beech B99

Difficulty date
January 29, 2007
Submitted
May 1, 2007
Operation
General aviation
Make and model
Beech B99
Aircraft time
27,209 hours
Engine
Pwa PT6A27
Propeller
Hartzl HCB3TN3
Part
Torque Tube
Part number
1155240465
Condition
Cracked
Location
Elevator
Stage of operation
IN
How discovered
9
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

(CAN) THE TAIL CONE WAS REMOVED FOR OTHER SCHEDULED MAINTENANCE. IT WAS NOTICED THAT THE ELEVATOR BELLCRANK TORQUE TUBE WAS CRACKED. THE CRACK STARTED AT THE HORN ATTACH TAPER PIN AND SPIRALED AROUND THE TORQUE TUBE APPROX 270 DEGREES. THE ASSEMBLY WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE (TC 20070212007)

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