What was found
GROOVE WORN IN SHANK, REPLACED COUPLING.
- Difficulty date
- October 31, 2006
- Submitted
- January 22, 2007
- Operation
- Air carrier
- Aircraft
- N139CW
- Make and model
- Agusta AB139
- Aircraft serial
- 31020
- Aircraft time
- 477 hours
- System (JASC)
- 6500 · Tail Rotor Drive System
- Part
- Coupling
- Part number
- 3G6430A01453
- Part serial
- K55
- Condition
- Worn
- Location
- Tail Rotor
- Part time
- 478 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.