What was found
1 OF 4 BARREL NUTS THAT ATTACH THE TAILBOOM TO THE AIRFRAME WAS FOUND TO BE CRACKED ACROSS THE THREADS ON 2 SIDES. THE NUT HAD BEEN REMOVED AS PART OF A MAJOR INSPECTION.
- Difficulty date
- January 12, 2015
- Submitted
- January 12, 2015
- Operation
- General aviation
- Aircraft
- N412PP
- Make and model
- Bell 412
- Aircraft serial
- 33207
- Aircraft time
- 9,379 hours
- System (JASC)
- 5302 · Rotorcraft Tail Boom
- Part
- Barrel Nut
- Part number
- NAS577B8A
- Condition
- Cracked
- Location
- Tailboom Attach
- 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.