What was found
IN CRUISE FLIGHT, FELT BUMP IN AIRFRAME, ALL INSTRUMENTS INDICATED NORMAL. AFTER DESCENDING TO 500 FT, PROBLEM REPEATED. AFTER LANDING, NOTIFIED MAINTENANCE. ANTI-DRIVE LINK BEARINGS WORN. REMOVED AND REPLACED ANTI-DRIVE LINK. (K)
- Difficulty date
- December 30, 2005
- Submitted
- February 8, 2006
- Operation
- Air carrier
- Aircraft
- N436AL
- Make and model
- Bell 407
- Aircraft serial
- 53069
- Engine
- Allsn 250C47B
- System (JASC)
- 6710 · Main Rotor Control
- Part
- Bearing
- Part number
- 406010432101
- Part serial
- TIFS67
- Condition
- Worn
- Location
- Antidrv Link Brg
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.