What was found
(CAN) CAD PLATED NUT NAS1022AX8 INSTALLED INSTEAD OF DRY FILM LUBED NAS10222A8. THE NAS1022AX8 NUT FAILED DURING TORQUE UP, PART CRACKED.
- Difficulty date
- February 24, 2005
- Submitted
- April 1, 2005
- Operation
- General aviation
- Make and model
- Bell 412
- System (JASC)
- 6220 · Main Rotor Head
- Part
- Nut
- Part number
- NAS10222A8
- Condition
- Incorrect
- Location
- Rotor Hub
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- W
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.