What was found
MAST BOOT CAME FREE FROM ROTATING SWASH PLATE. A PIECE OF THE BOOT LOWER FLANGE TORE OFF AND DEPARTED THE ACFT MOST LIKELY HITTING THE P/C LINKS THAT CAUSED A VIBRATION FELT IN THE CYCLIC CONTROL STICK.
- Difficulty date
- September 15, 2011
- Submitted
- September 20, 2011
- Operation
- Air carrier
- Aircraft
- N350DH
- Make and model
- Snias AS350B2
- Aircraft serial
- 3567
- Aircraft time
- 4,058 hours, 16,474 cycles
- Engine
- Tmeca ARRIEL1D1
- Engine time
- 3,681 hours, 10,483 cycles
- System (JASC)
- 6230 · Main Rotor Mast/Swashplate
- Part
- Boot
- Part number
- 704A33699008
- Condition
- Torn
- Location
- Swashplate
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.