What was found
DURING CRUISE FLIGHT THE PILOT FELT A SEVERE VIBRATION IN THE AIRFRAME AND PERFORMED A PRECAUTIONARY LANDING ON A NEARBY PLATFORM. FORWARD BEARING ON NR 2 TAILROTOR DRIVESHAFT BLOWER ASSEMBLY FAILED.
- Difficulty date
- July 22, 2002
- Submitted
- July 28, 2003
- Operation
- Air carrier
- Aircraft
- N547AL
- Make and model
- Bell 407
- Aircraft serial
- 53240
- Engine
- Allsn 250C47B
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Bearing
- Part number
- 407340339101
- Part serial
- ZV11374
- Condition
- Failed
- Location
- T/R Driveshaft
- Part time
- 66 hours
- Component
- Driveshaft
- Component part number
- 407040303109
- Stage of operation
- CR
- 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.