What was found
BEARING PN 407-340-339-107, SN ZS25535, EXHIBITED SIGNS OF OVERHEATED CONDITION. EXPELLED GREASE WAS BLACK AND THE TEMP INDICATOR ON THE BEARING HANGER WAS BLACK.
- Difficulty date
- March 17, 2010
- Submitted
- March 17, 2010
- Operation
- Air carrier
- Aircraft
- N406AL
- Make and model
- Bell 407
- Aircraft serial
- 53481
- Aircraft time
- 7,282 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Bearing
- Part number
- 407340339107
- Part serial
- ZS25535
- Condition
- Overheated
- Location
- T/R Drive Shaft
- Part time
- 377 hours
- Component
- Tail Rotor Driv · Bell
- Component part number
- 407040302115
- 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.