What was found
DURING RECURRING 25-HOUR INSPECTION AND BEARING LUBRICATION (PER ASB 407-00-35/AD 2000-02-12), DURING LUBRICATION, ACCUMULATED GREASE EXPELLED FROM AROUND THE SEAL IS BLACK DETERMINING BEARING IS DAMAGED. (X)
- Difficulty date
- April 26, 2000
- Submitted
- May 18, 2000
- Operation
- General aviation
- Aircraft
- N687AL
- Make and model
- Bell 407
- Aircraft serial
- 53366
- System (JASC)
- 6510 · Tail Rotor Drive Shaft
- Part
- Bearing
- Part number
- 407340339103
- Part serial
- M980660
- Condition
- Leaking
- Location
- Shaft Hanger
- Component
- T/R Driveshaft · Bell
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.