What was found
ADAPTER HAD WORN SPLINES.
- Difficulty date
- December 17, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N4999
- Make and model
- Bell 407
- Aircraft serial
- 53323
- System (JASC)
- 6520 · Tail Rotor Gearbox
- Part
- Adapter
- Part number
- 406040072105
- Condition
- Worn
- Location
- T/R Spline
- Part time
- 919 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.