What was found
UPON INSP OF THE TAIL ROTOR DRIVESHAFT COUPLINGS, 1 DISK IN THE COUPLING DISK PACK, 2ND FROM THE FRONT, WAS FOUND TO HAVE CRACKED. CRACK DISCOVERED AT AFT 2094.4. DISK PACK CHANGED OUT.
- Difficulty date
- November 28, 2010
- Submitted
- March 15, 2011
- Operation
- Air carrier
- Make and model
- Bell 206L4
- Aircraft time
- 1,833 hours
- Engine
- Allsn 250C20R
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Disc Pack
- Part number
- 406040340101
- Condition
- Cracked
- Location
- T/R Driveshaft
- 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.