Service difficulty report · Retaining Nut · Bolkms BK117A3
FAA SDR system
- Difficulty date
- November 13, 2006
- Submitted
- December 4, 2006
- Operation
- Air carrier
- Aircraft
- N118NC
- Make and model
- Bolkms BK117A3
- Aircraft serial
- 7067
- Aircraft time
- 9,044 hours, 30,182 cycles
- Engine
- Lyc LTS101650B1
- Engine time
- 8,851 hours, 21,353 cycles
- Part
- Retaining Nut
- Part number
- 408108309
- Condition
- Loose
- Location
- Engine
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POWER TURBINE WHEEL RETENTION NUT LOST TORQUE. DISCOVERED BY N2 FLUCTUATION ACCOMPANIED BY A CHIP LIGHT.