What was found
SPLINES WORN AND PITTING CORROSION BEYOND LIMITS.
- Difficulty date
- October 11, 2011
- Submitted
- October 13, 2011
- Operation
- Air carrier
- Aircraft
- N597AL
- Make and model
- Bell 407
- Aircraft serial
- 53091
- Aircraft time
- 7,705 hours
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Spline
- Part number
- 206061432129
- Condition
- Corroded
- Location
- Tail Rotor
- 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.