What was found
WHILE CHANGING CRANKSHAFT SEAL THE ALTERNATOR BEARINGS WERE FOUND TO HAVE EXCESSIVE RADIAL PLAY. ALTERNATOR REPLACED, SN AND TSN NOT KNOWN AT THIS TIME.
- Difficulty date
- July 23, 2009
- Submitted
- October 23, 2009
- Operation
- General aviation
- Make and model
- Robsin R44RAVENII
- Aircraft time
- 810 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 2420 · AC Generation System
- Part
- Bearing
- Condition
- Worn
- Location
- Alternator
- Component
- Alternator
- Component part number
- ALU85
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.