What was found
TAIL ROTOR DRIVE FAILURE. TAIL ROTOR FORWARD SHAFT, AFT COUPLING FAILURE. LOSS OF LUBRICATION DUE TO STRIPPED TREADS ON SCREW ILLUSTRATED PARTS BREAKDOWN.
- Difficulty date
- March 21, 2001
- Submitted
- March 28, 2001
- Operation
- General aviation
- Aircraft
- N1575
- Make and model
- Bell 47
- Aircraft time
- 11,806 hours
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Shaft
- Part number
- 476441809
- Condition
- Failed
- Location
- Tail Rotor
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- D, F
- Precautionary procedure
- B, R
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.