What was found
A CRACK WAS FOUND AT THE TOP OF THE TAILBOOM VERTICAL FIN WHILE TROUBLESHOOTING A TAIL ROTOR VIBRATION ISSUE. THE CRACK WAS FOUND ON THE LT SIDE OF THE ACCESS SIDE OF THE OPENING FOR ACCESS TO THE TAILROTOR GEARBOX MOUNTING HARDWARE.
- Difficulty date
- January 30, 2007
- Submitted
- February 1, 2007
- Operation
- Air carrier
- Aircraft
- N911TG
- Make and model
- Bolkms BK117C1
- Aircraft serial
- 7506
- Aircraft time
- 6,737 hours, 26,459 cycles
- Engine
- Tmeca ARRIEL1E
- System (JASC)
- 5302 · Rotorcraft Tail Boom
- Part
- Skin
- Condition
- Cracked
- Location
- Tailboom
- Part time
- 6,737 hours, 26,459 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.