What was found
DURING REPAIR OF TAIL ROTOR YOKE, BEARING BORES WERE FOUND TO BE OUT OF ACCEPTABLE LIMITS. YOKE WAS REMOVED AND REPLACED.
- Difficulty date
- July 17, 2001
- Submitted
- September 26, 2001
- Operation
- Air carrier
- Aircraft
- N407AM
- Make and model
- Bell 407
- Aircraft serial
- 53309
- Engine
- Allsn 250C47B
- System (JASC)
- 6420 · Tail Rotor Head
- Part
- Yoke
- Part number
- 406012102109
- Part serial
- AFS1930
- Condition
- Out Of Tolerance
- Location
- Tail Rotor
- Part time
- 1,495 hours
- 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.