What was found
(CAN) ON SHUTDOWN, PILOT REPORTED GROWLING NOISE COMING FROM REAR OF ROTORCRAFT. IT WAS DISCOVERED THAT THE 2ND T/R DRIVESHAFT BEARING AFT OF THE OIL COOLER WAS DEFECTIVE. BEARING REPLACED.
- Difficulty date
- March 1, 2000
- Submitted
- April 14, 2000
- Operation
- Air carrier
- Make and model
- Bell 407
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Bearing
- Part number
- 407340339103
- Condition
- Rough
- Location
- Tail Rotor Drive
- Part time
- 331 hours
- Component
- Tail Boom · Bell · 407030800101
- 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.